Question

1. What do you know about the force? a. Scalar quantity of unit of N b. Vector quantity of unit of N c. Vector quantity of no units d. None of the above is correct 2. Choose the example of contact force? a. Gravitational attraction between masses b. Magnetic attraction between magnets c. Electrical attraction between charges d. dragging a object by applying a force 3. If you apply 10.0 N to the object of mass 2.0 kg, what is the acceleration of the object? a. 20.0 $m/s^2$ b. 5.0 $m/s^2$ c. 0.2 $m/s^2$ d. zero 4. What is the difference between mass and weight? a. mass and weight are the same b. mass and weight have no connection c. Mass is a gravitational acceleration in the weight d. None of the above 5. What is the direction of force of gravity? a. straight up b. straight down c. keep changing d. no direction 6. What is the direction of normal force? a. Always straight up b. Always straight down c. Always perpendicular upward direction to the surface of contact d. Always parallel to the surface of contact 7. Do you have a direct formula to calculate the normal force of the object? a. Yes, it is given in the formula sheet b. No, I must write Newton's laws in each direction to find it 8. If you bring an object from Earth to Moon, what quantity will change as we discussed? a. Mass b. Weight c. Size d. Shape 9. What direction will be the frictional force directed? a. Always perpendicular upward direction to the surface of contact b. Always parallel downward direction to the surface of contact c. Always parallel to the surface of contact but pointed to opposite direction of the motion of the object d. Always parallel to the surface of contact but pointed to the direction of the motion of the object 10. Which one is greater from kinetic and static friction coefficients? a. Always kinetic b. Always Static c. Both the same d. Always are different 11. Friction coefficient is dependent on a. Surface area of rubbing objects b. Materials of objects c. Mass of the objects d. Volume of the objects 12. Drag force is dependent on a. Media density, area of the object, and relative speed b. Media density, mass of the object, and relative speed c. Only area of the object d. Only mass of the object 13. There are two objects in the same shape and size but one of them has greater mass. Which one reaches the ground first? (consider drag force scenario) a. both reach at the same time b. greater mass reaches the first c. lighter mass reaches the first 14. How do you define FBD? a. Vector diagram of all vectors b. Drawing of all forces at center of the object or the system c. Drawing of all forces and accelerations of the object 15. Centripetal force depends on a. Mass of the rotating object only b. Mass, and velocity of the rotating object and radius of circular path c. Velocity of the rotating object only d. Radius of circular path only 16. Is the centripetal force part of the F=ma formula? a. No, it goes to right side of the F=ma formula b. Yes, it is a force to net force of the left side of F=ma formula c. No, it will count or an acceleration d. will remain constant 17. If you rotate the same object with the same tangential velocity in two different radius, centripetal force will a. remain constant b. will increase with greater radius c. decrease with greater radius d. can't determine 18. You are taking turns on the frictionless bank or flat roads, which one is easier to take turn without slipping? a. Bank Roads b. Flat Roads 19. What kind of motion the loop motorcycle stunt does? a. Uniform circular motion b. Non-uniform circular motion c. Changing radius during the motion 20. Gravitation force between two objects increase a. by increasing the distance between them b. by increasing mass of them c. by bringing them to another planets 21. What can you say about gravitation acceleration value g and universal gravitational constant G? a. they are the same b. they are different quantities but are related each other c. both are changing parameters 22. What can you say about the g value? a. Always 9.80 everywhere in the universe b. Always 9.80 everywhere in the Earth c. keep changing with altitude and closer to north, south and equator 23. How can you define Weightlessness? a. complete absence of the sensation of weight b. moving with some forces c. moving with constant acceleration 24. Satellite can have one speed if the satellite is remaining in an orbit with a fixed radius, why is that? a. Satellite speed only can be changed by changing the radius, other all are constant b. Satellite speed depends on the radius c. Satellite speed only depended on the mass of the satellite 25. The wheel of a car has a radius of 0.25m and it rotates at 10 revolutions per second on a tire-balancing machine. What is the speed at which the outer edge of the wheel is moving? a. 15.7 m/s b. 0.05 m/s c. can't calculate 26. If the masses of two planets are each somehow doubled, the force of gravity between them a. doubles b. quadruples c. reduces by half d. reduces by one-quarter 27. If the mass of one planet is somehow doubled, the force of gravity between it and a neighboring planet a. doubles b. quadruples c. reduces by half d. reduces by one-quarter

Name: 1 what do you know about the force a scalar quantity of unit of n b vector quantity of unit of n c vector quantity of no units d none of the above is correct 2 choose the example of contact 00624
Uploaded: 2022-05-20T22:33:23-08:00
Duration: 5 min 11 s
Channel: Adam Moon
Description: 1 what do you know about the force a scalar quantity of unit of n b vector quantity of unit of n c vector quantity of no units d none of the above is correct 2 choose the example of contact 00624

1. What do you know about the force?
a. Scalar quantity of unit of N
b. Vector quantity of unit of N
c. Vector quantity of no units
d. None of the above is correct

2. Choose the example of contact force?
a. Gravitational attraction between masses
b. Magnetic attraction between magnets
c. Electrical attraction between charges
d. dragging a object by applying a force

3. If you apply 10.0 N to the object of mass 2.0 kg, what is the acceleration of the object?
a. 20.0 $m/s^2$
b. 5.0 $m/s^2$
c. 0.2 $m/s^2$
d. zero

4. What is the difference between mass and weight?
a. mass and weight are the same
b. mass and weight have no connection
c. Mass is a gravitational acceleration in the weight
d. None of the above

5. What is the direction of force of gravity?
a. straight up
b. straight down
c. keep changing
d. no direction

6. What is the direction of normal force?
a. Always straight up
b. Always straight down
c. Always perpendicular upward direction to the surface of contact
d. Always parallel to the surface of contact

7. Do you have a direct formula to calculate the normal force of the object?
a. Yes, it is given in the formula sheet
b. No, I must write Newton's laws in each direction to find it

8. If you bring an object from Earth to Moon, what quantity will change as we discussed?
a. Mass
b. Weight
c. Size
d. Shape

9. What direction will be the frictional force directed?
a. Always perpendicular upward direction to the surface of contact
b. Always parallel downward direction to the surface of contact
c. Always parallel to the surface of contact but pointed to opposite direction of the motion of the object
d. Always parallel to the surface of contact but pointed to the direction of the motion of the object

10. Which one is greater from kinetic and static friction coefficients?
a. Always kinetic
b. Always Static
c. Both the same
d. Always are different

11. Friction coefficient is dependent on
a. Surface area of rubbing objects
b. Materials of objects
c. Mass of the objects
d. Volume of the objects

12. Drag force is dependent on
a. Media density, area of the object, and relative speed
b. Media density, mass of the object, and relative speed
c. Only area of the object
d. Only mass of the object

13. There are two objects in the same shape and size but one of them has greater mass. Which one reaches the ground first? (consider drag force scenario)
a. both reach at the same time
b. greater mass reaches the first
c. lighter mass reaches the first

14. How do you define FBD?
a. Vector diagram of all vectors
b. Drawing of all forces at center of the object or the system
c. Drawing of all forces and accelerations of the object

15. Centripetal force depends on
a. Mass of the rotating object only
b. Mass, and velocity of the rotating object and radius of circular path
c. Velocity of the rotating object only
d. Radius of circular path only

16. Is the centripetal force part of the F=ma formula?
a. No, it goes to right side of the F=ma formula
b. Yes, it is a force to net force of the left side of F=ma formula
c. No, it will count or an acceleration
d. will remain constant

17. If you rotate the same object with the same tangential velocity in two different radius, centripetal force will
a. remain constant
b. will increase with greater radius
c. decrease with greater radius
d. can't determine

18. You are taking turns on the frictionless bank or flat roads, which one is easier to take turn without slipping?
a. Bank Roads
b. Flat Roads

19. What kind of motion the loop motorcycle stunt does?
a. Uniform circular motion
b. Non-uniform circular motion
c. Changing radius during the motion

20. Gravitation force between two objects increase
a. by increasing the distance between them
b. by increasing mass of them
c. by bringing them to another planets

21. What can you say about gravitation acceleration value g and universal gravitational constant G?
a. they are the same
b. they are different quantities but are related each other
c. both are changing parameters

22. What can you say about the g value?
a. Always 9.80 everywhere in the universe
b. Always 9.80 everywhere in the Earth
c. keep changing with altitude and closer to north, south and equator

23. How can you define Weightlessness?
a. complete absence of the sensation of weight
b. moving with some forces
c. moving with constant acceleration

24. Satellite can have one speed if the satellite is remaining in an orbit with a fixed radius, why is that?
a. Satellite speed only can be changed by changing the radius, other all are constant
b. Satellite speed depends on the radius
c. Satellite speed only depended on the mass of the satellite

25. The wheel of a car has a radius of 0.25m and it rotates at 10 revolutions per second on a tire-balancing machine. What is the speed at which the outer edge of the wheel is moving?
a. 15.7 m/s
b. 0.05 m/s
c. can't calculate

26. If the masses of two planets are each somehow doubled, the force of gravity between them
a. doubles
b. quadruples
c. reduces by half
d. reduces by one-quarter

27. If the mass of one planet is somehow doubled, the force of gravity between it and a neighboring planet
a. doubles
b. quadruples
c. reduces by half
d. reduces by one-quarter

1 what do you know about the force a scalar quantity of unit of n b vector quantity of unit of n c vector quantity of no units d none of the above is correct 2 choose the example of contact 00624

Added by Robert B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adam Moon

05/20/2022

Step 1

0 N), m is the mass (2.0 kg), and a is the acceleration. Solving for a: a = F/m = 10.0 N / 2.0 kg = 5.0 m/s² Question 26: The force of gravity between two objects is given by Newton's law of universal gravitation: $F = G \frac{m_1 m_2}{r^2}$ where G is the Show more…

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1. What do you know about the force? a. Scalar quantity of unit of N b. Vector quantity of unit of N c. Vector quantity of no units d. None of the above is correct 2. Choose the example of contact force? a. Gravitational attraction between masses b. Magnetic attraction between magnets c. Electrical attraction between charges d. dragging a object by applying a force 3. If you apply 10.0 N to the object of mass 2.0 kg, what is the acceleration of the object? a. 20.0 $m/s^2$ b. 5.0 $m/s^2$ c. 0.2 $m/s^2$ d. zero 4. What is the difference between mass and weight? a. mass and weight are the same b. mass and weight have no connection c. Mass is a gravitational acceleration in the weight d. None of the above 5. What is the direction of force of gravity? a. straight up b. straight down c. keep changing d. no direction 6. What is the direction of normal force? a. Always straight up b. Always straight down c. Always perpendicular upward direction to the surface of contact d. Always parallel to the surface of contact 7. Do you have a direct formula to calculate the normal force of the object? a. Yes, it is given in the formula sheet b. No, I must write Newton's laws in each direction to find it 8. If you bring an object from Earth to Moon, what quantity will change as we discussed? a. Mass b. Weight c. Size d. Shape 9. What direction will be the frictional force directed? a. Always perpendicular upward direction to the surface of contact b. Always parallel downward direction to the surface of contact c. Always parallel to the surface of contact but pointed to opposite direction of the motion of the object d. Always parallel to the surface of contact but pointed to the direction of the motion of the object 10. Which one is greater from kinetic and static friction coefficients? a. Always kinetic b. Always Static c. Both the same d. Always are different 11. Friction coefficient is dependent on a. Surface area of rubbing objects b. Materials of objects c. Mass of the objects d. Volume of the objects 12. Drag force is dependent on a. Media density, area of the object, and relative speed b. Media density, mass of the object, and relative speed c. Only area of the object d. Only mass of the object 13. There are two objects in the same shape and size but one of them has greater mass. Which one reaches the ground first? (consider drag force scenario) a. both reach at the same time b. greater mass reaches the first c. lighter mass reaches the first 14. How do you define FBD? a. Vector diagram of all vectors b. Drawing of all forces at center of the object or the system c. Drawing of all forces and accelerations of the object 15. Centripetal force depends on a. Mass of the rotating object only b. Mass, and velocity of the rotating object and radius of circular path c. Velocity of the rotating object only d. Radius of circular path only 16. Is the centripetal force part of the F=ma formula? a. No, it goes to right side of the F=ma formula b. Yes, it is a force to net force of the left side of F=ma formula c. No, it will count or an acceleration d. will remain constant 17. If you rotate the same object with the same tangential velocity in two different radius, centripetal force will a. remain constant b. will increase with greater radius c. decrease with greater radius d. can't determine 18. You are taking turns on the frictionless bank or flat roads, which one is easier to take turn without slipping? a. Bank Roads b. Flat Roads 19. What kind of motion the loop motorcycle stunt does? a. Uniform circular motion b. Non-uniform circular motion c. Changing radius during the motion 20. Gravitation force between two objects increase a. by increasing the distance between them b. by increasing mass of them c. by bringing them to another planets 21. What can you say about gravitation acceleration value g and universal gravitational constant G? a. they are the same b. they are different quantities but are related each other c. both are changing parameters 22. What can you say about the g value? a. Always 9.80 everywhere in the universe b. Always 9.80 everywhere in the Earth c. keep changing with altitude and closer to north, south and equator 23. How can you define Weightlessness? a. complete absence of the sensation of weight b. moving with some forces c. moving with constant acceleration 24. Satellite can have one speed if the satellite is remaining in an orbit with a fixed radius, why is that? a. Satellite speed only can be changed by changing the radius, other all are constant b. Satellite speed depends on the radius c. Satellite speed only depended on the mass of the satellite 25. The wheel of a car has a radius of 0.25m and it rotates at 10 revolutions per second on a tire-balancing machine. What is the speed at which the outer edge of the wheel is moving? a. 15.7 m/s b. 0.05 m/s c. can't calculate 26. If the masses of two planets are each somehow doubled, the force of gravity between them a. doubles b. quadruples c. reduces by half d. reduces by one-quarter 27. If the mass of one planet is somehow doubled, the force of gravity between it and a neighboring planet a. doubles b. quadruples c. reduces by half d. reduces by one-quarter