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Suppose you must exert a horizontal force of magnitude 80 N to...
A crate of 37.2-kg tools rests on a horizontal floor. You exert a gradually increasing horizontal...
A crate of 37.2-kg tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move when your force exceeds 322 N . After that you must reduce your push to 240 N to keep it moving at a steady 29.1 cm/s . A.What is the coefficient of static friction between the crate and the floor? B.What push must you exert to give it an acceleration of 1.11...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over a wooden floor at a constant speed over a wooden floor by a rope that makes an angle of 30° above the horizontal? The coefficient of kinetic friction (wood on wood) is 0.30. 2. A 50-kg balikbayan box rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the box just begins to move when your force...
Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. You push the cr...
Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. You push the crate to the right with a horizontal force of magnitude 300 N, but friction prevents the crate from sliding. Part A Draw a free-body diagram of the crate. Part B What is the magnitude Fp of the minimum force you need to exert on the crate to make it start sliding along the floor? Let the coefficient...
A horizontal force of 150 N is used to push a 40-kg box on a rough,...
A horizontal force of 150 N is used to push a 40-kg box on a rough, horizontal surface through a distance of 6 m. If the box moves at a constant speed, find: a) the work done by the 150 N force b) the work done by friction c) the coefficient of kinetic friction
12.2) What is the smallest horizontal force, P, that the person must exert on the top...
12.2) What is the smallest horizontal force, P, that the person must exert on the top box to initiate motion (slip or tip). Each box weighs 125 lb. The coefficient of static friction between the boxes is 0.5 and the coefficient of static friction between the box and the floor is 0.35.
Suppose you have to move a heavy crate of weight 875 N by sliding it along...
Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. You push the crate to the right with a horizontal force of magnitude 300 N, but friction prevents the crate from sliding. What is the magnitude Fp of the minimum force you need to exert on the crate to make it start sliding along the floor? Let the coefficient of static friction μs between the crate and the floor be...
box. Mary applies a force of 72 N to push a box with an acceleration of...
box. Mary applies a force of 72 N to push a box with an acceleration of 0.46 m/s?. When she increases the pushing force to 79 N, the box's acceleration changes to 0.64 m/s2. There is a constant friction force present between the floor and the (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
A crate of 36.5-kgkg tools rests on a horizontal floor. You exert a gradually increasing horizontal...
A crate of 36.5-kgkg tools rests on a horizontal floor. You
exert a gradually increasing horizontal push on it and observe that
the crate just begins to move when your force exceeds 335 NN .
After that you must reduce your push to 220 NN to keep it moving at
a steady 25.2 cm/scm/s .
Acrute of 96.5 kg toola resta on a hormonal floor. You exert a gradually increasing horizontal push on and observe that the crane just begins...
v = 2 m/s F = 100 N 3. (4 points) A child pushes a 20...
v = 2 m/s F = 100 N 3. (4 points) A child pushes a 20 kg box across a wood floor as shown in Figure 3. The force exerted by the child is 100 N and horizontal. If the box is moving with a constant speed, 2 m/s. (a). Find the magnitude and the direction of the kinetic friction force on the box (b). Determine the coefficient of kinetic friction between the box and the floor. (C). If the...
A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 292 N...
A warehouse worker is pushing a 90.0 kg crate with a horizontal
force of 292 N at a speed of v = 0.875 m/s across the
warehouse floor. He encounters a rough horizontal section of the
floor that is 0.75 m long and where the coefficient of kinetic
friction between the crate and floor is 0.359.
(a)
Determine the magnitude and direction of the net force acting on
the crate while it is pushed over the rough section of the...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over a wooden floor at a constant speed over a wooden floor by a rope that makes an angle of 30° above the horizontal? The coefficient of kinetic friction (wood on wood) is 0.30. 2. A 50-kg balikbayan box rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the box just begins to move when your force...
A horizontal force of 150 N is used to push a 40-kg box on a rough, horizontal surface through a distance of 6 m. If the box moves at a constant speed, find: a) the work done by the 150 N force b) the work done by friction c) the coefficient of kinetic friction
12.2) What is the smallest horizontal force, P, that the person must exert on the top box to initiate motion (slip or tip). Each box weighs 125 lb. The coefficient of static friction between the boxes is 0.5 and the coefficient of static friction between the box and the floor is 0.35.
box. Mary applies a force of 72 N to push a box with an acceleration of 0.46 m/s?. When she increases the pushing force to 79 N, the box's acceleration changes to 0.64 m/s2. There is a constant friction force present between the floor and the (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
A crate of 36.5-kgkg tools rests on a horizontal floor. You
exert a gradually increasing horizontal push on it and observe that
the crate just begins to move when your force exceeds 335 NN .
After that you must reduce your push to 220 NN to keep it moving at
a steady 25.2 cm/scm/s .
Acrute of 96.5 kg toola resta on a hormonal floor. You exert a gradually increasing horizontal push on and observe that the crane just begins...
v = 2 m/s F = 100 N 3. (4 points) A child pushes a 20 kg box across a wood floor as shown in Figure 3. The force exerted by the child is 100 N and horizontal. If the box is moving with a constant speed, 2 m/s. (a). Find the magnitude and the direction of the kinetic friction force on the box (b). Determine the coefficient of kinetic friction between the box and the floor. (C). If the...
A warehouse worker is pushing a 90.0 kg crate with a horizontal
force of 292 N at a speed of v = 0.875 m/s across the
warehouse floor. He encounters a rough horizontal section of the
floor that is 0.75 m long and where the coefficient of kinetic
friction between the crate and floor is 0.359.
(a)
Determine the magnitude and direction of the net force acting on
the crate while it is pushed over the rough section of the...
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