Question

Problem Set 1: Forces and Motion Balanced and Unbalanced Forces Of the following pictures, circle the ones with balanced forces. 50 Newtons 30 Newtons The truck stays still 4 Newtons 3 Newtons 4 Newtons 680 N ? The ground pushes upwards on the person Gravity pulls downward on the person 680 N 16 Newtons F (air friction) W (weight) 25 Newtons In the following image, add an arrow to the image to represent the force that needs to be added (in the direction it should be pointing) for the forces to be balanced. Calculate the size of the force. 8N 3N

          Problem Set 1: Forces and Motion
Balanced and Unbalanced Forces
Of the following pictures, circle the ones with balanced forces.
50 Newtons
30 Newtons
The truck stays still
4 Newtons
3 Newtons
4 Newtons
680 N
?
The ground
pushes upwards
on the person
Gravity pulls
downward
on the person
680 N
16 Newtons
F
(air friction)
W
(weight)
25 Newtons
In the following image, add an arrow to the image to represent the force that needs to be added
(in the direction it should be pointing) for the forces to be balanced. Calculate the size of the
force.
8N
3N

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Problem Set 1: Forces and Motion
Balanced and Unbalanced Forces
Of the following pictures, circle the ones with balanced forces.
50 Newtons
30 Newtons
The truck stays still
4 Newtons
3 Newtons
4 Newtons
680 N
?
The ground
pushes upwards
on the person
Gravity pulls
downward
on the person
680 N
16 Newtons
F
(air friction)
W
(weight)
25 Newtons
In the following image, add an arrow to the image to represent the force that needs to be added
(in the direction it should be pointing) for the forces to be balanced. Calculate the size of the
force.
8N
3N

Added by Clara H.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Suman Saurav Thakur

Step 1

From the listed items, the balanced cases are: - 4 N and 4 N (equal and opposite → balanced) - 16 N and 16 N (equal and opposite → balanced) - Ground pushes up 680 N and gravity pulls down 680 N (person at rest → balanced) The unbalanced cases (examples shown) Show more…

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Please help! Problem Set 1: Forces and Motion Balanced and Unbalanced Forces Of the following pictures, circle the ones with balanced forces: 50 Newtons 30 Newtons The truck stays still 4 Newtons 3 Newtons 4 Newtons 16 Newtons 680N The ground pushes upwards on the person (air friction) Gravity pulls downward on the person (weight) 90.1 25 Newtons In the following image, add an arrow to represent the force that needs to be added (in the direction it should be pointing) for the forces to be balanced. Calculate the size of the force. 8N

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