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A trunk with a weight of 200 N rests on the floor. The coefficient of static...
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...
A mass of 9 kg rests on a floor with a coefficient of static friction of...
A mass of 9 kg rests on a floor with a coefficient of static friction of 1.25 and coefficient of kinetic friction of kinetic friction of 0.1. One force is applied vertically downward of 10 Newtons and another force is applied at an angle of 15 degrees below the horizontal. Calculate what the magnitude this force needs to be in order to begin to move the mass. If the same amount of force is applied at the same angle above...
4. + -/0.9 points A 29.kg crate rests on a horizontal floor, and a 63-kg person...
4. + -/0.9 points A 29.kg crate rests on a horizontal floor, and a 63-kg person is standing on the crate. (a) Determine the magnitude of the normal force that the floor exerts on the crate. (b) Determine the magnitude of the normal force that the crate exerts on the person. Additional Materials Section 4.9 5. -/0.9 points A 53.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.780 and...
To understand kinetic and static friction. A block of mass m lies on a horizontal table. The coefficient of static fric...
To understand kinetic and static friction. A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is μs. The coefficient of kinetic friction is μk, with μk<μs. a- Suppose you want to move the block, but you want to push it with the least force possible to get it moving. With what force F must you be pushing the block just before the block begins to move? Express the...
A 750 N box moves at a constant velocity on a floor with a coefficient of...
A 750 N box moves at a constant velocity on a floor with a coefficient of static friction = 0.800 and coefficient of kinetic friction = 0.600. What horizontal force is required to keep the box moving?
A loaded penguin sled weighing 80 N rests on a plane inclined at20° to the...
A loaded penguin sled weighing 80 N rests on a plane inclined at
20° to the horizontal. Between the sled and the plane the
coefficient of static friction is 0.26, and the coefficient of
kinetic friction is 0.17.What is the minimum magnitude of the force F, parallel to the
plane, that will prevent the sled from slipping down the
plane?What is the minimum magnitude F that will start the sled moving up
the plane?What value of F is required to...
A 50-N crate sits on a horizontal floor where the coefficient of static friction between the...
A 50-N crate sits on a horizontal floor where the coefficient of static friction between the crate and the floor is .50 and that of kinetic is .40 gradually increasing horizontal force to the right is applied to the crate how would you describe the motion of the box at the moment forces reached to 20 N (a) Not moving (b) not moving bit anootbto move (c) moving with a constant speed (d) Accelerating
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...
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...
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...
4. + -/0.9 points A 29.kg crate rests on a horizontal floor, and a 63-kg person is standing on the crate. (a) Determine the magnitude of the normal force that the floor exerts on the crate. (b) Determine the magnitude of the normal force that the crate exerts on the person. Additional Materials Section 4.9 5. -/0.9 points A 53.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.780 and...
A loaded penguin sled weighing 80 N rests on a plane inclined at
20° to the horizontal. Between the sled and the plane the
coefficient of static friction is 0.26, and the coefficient of
kinetic friction is 0.17.What is the minimum magnitude of the force F, parallel to the
plane, that will prevent the sled from slipping down the
plane?What is the minimum magnitude F that will start the sled moving up
the plane?What value of F is required to...
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...
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