Question

1.) A force of 40 N applied horizontally is required to push a 20 kg box at constant velocity across the floor. Determine the coefficient offriction between the box and the floor. 2.) A 50 N box is to slide straight across the floor at constant speed by a force of 25 N inclined 400. Determine the coefficient of friction between the box and the floor. 3.) A 600 N block rests on a 30 degree plane. If the coefficient of friction is 0.20, what is the value of the force, P applied horizontally to keep the block moving up the plane? 4.) Four turns of rope wrapped around a horizontal post will hold a 1000 lb weight with a pull of 10 lbs. Find the coefficient of friction between the rope and the post 5.) A boy and his dad put a rope around a tree and stand side by side. What force by the boy can resist a force of 800 N by his dad? Use g = 0.5 6.) A mass of 1400 kg rests on an oak beam. The beam rests on 200-mm diameter rollers. Assuming the coefficient of rolling resistance between the beam and the rollers to be 0.90 mm, what horizontal force is necessary- to move the load on a level surface? 7.) A central horizontal force of 1.4 N is necessary to move a drum 900 mm in diameter on a level surface. Assuming that the coemcient of rolling resistance is 0.635 mm, what is the mass ofthe drum?

          1.) A force of 40 N applied horizontally is required to push a 20 kg box at constant velocity across the floor. Determine the coefficient offriction between the box and the floor.

2.) A 50 N box is to slide straight across the floor at constant speed by a force of 25 N inclined 400. Determine the coefficient of friction between the box and the floor.

3.) A 600 N block rests on a 30 degree plane. If the coefficient of friction is 0.20, what is the value of the force, P applied horizontally to keep the block moving up the plane?

4.) Four turns of rope wrapped around a horizontal post will hold a 1000 lb weight with a pull of 10 lbs. Find the coefficient of friction between the rope and the post

5.) A boy and his dad put a rope around a tree and stand side by side. What force by the boy can resist a force of 800 N by his dad? Use g = 0.5

6.) A mass of 1400 kg rests on an oak beam. The beam rests on 200-mm diameter rollers. Assuming the coefficient of rolling resistance between the beam and the rollers to be 0.90 mm, what horizontal force is necessary- to move the load on a level surface?

7.) A central horizontal force of 1.4 N is necessary to move a drum 900 mm in diameter on a level surface. Assuming that the coemcient of rolling resistance is 0.635 mm, what is the mass ofthe drum?

1.) A force of 40 N applied horizontally is required to push a 20 kg box at constant velocity across the floor. Determine the coefficient offriction between the box and the floor.

2.) A 50 N box is to slide straight across the floor at constant speed by a force of 25 N inclined 400. Determine the coefficient of friction between the box and the floor.

3.) A 600 N block rests on a 30 degree plane. If the coefficient of friction is 0.20, what is the value of the force, P applied horizontally to keep the block moving up the plane?

4.) Four turns of rope wrapped around a horizontal post will hold a 1000 lb weight with a pull of 10 lbs. Find the coefficient of friction between the rope and the post

5.) A boy and his dad put a rope around a tree and stand side by side. What force by the boy can resist a force of 800 N by his dad? Use g = 0.5

6.) A mass of 1400 kg rests on an oak beam. The beam rests on 200-mm diameter rollers. Assuming the coefficient of rolling resistance between the beam and the rollers to be 0.90 mm, what horizontal force is necessary- to move the load on a level surface?

7.) A central horizontal force of 1.4 N is necessary to move a drum 900 mm in diameter on a level surface. Assuming that the coemcient of rolling resistance is 0.635 mm, what is the mass ofthe drum?

Added by Consuelo G.

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