physics
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What minimal force must you push on the floor to get you start to move? (Hint: Check out the coefficient in the textbook)
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A trunk with a weight of 200 N rests on the floor. The coefficient of static...
A trunk with a weight of 200 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.50, and the coefficient of kinetic friction is 0.26. (a) What is the magnitude of the minimum horizontal force with which a person must push on the trunk to start it moving? (b) Once the trunk is moving, what magnitude of horizontal force must the person apply to keep it moving with constant velocity? (c) If...
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...
To move a large crate across a rough floor, you push on it with a force...
To move a large crate across a rough floor, you push on it with
a force F at an angle of 21 ? below the horizontal, as
shown in the figure (Figure 1) .
Find the force necessary to start the crate
moving, given that the mass of the crate is 32 kg and the
coefficient of static friction between the crate and the floor is
0.57.
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...
To understand kinetic and static friction. A block of mass m lies on a horizontal table....
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 isμk, with μk<μs. Part B 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? Part C...
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...
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...
1. Consider the three bodies connected by strings. The masses are m1 = 5 kg, m2...
1. Consider the three bodies connected by strings. The masses are m1 = 5 kg, m2 = 3.7 kg, and m3 = 4 kg. What is the tension force between bodies 1 and 2? 2. To move a large crate across a rough floor, you push on it with a force at an angle of 15 degrees below the horizontal Find the force necessary to start the crate moving, given that the mass of the crate is 32 kg and...
A block of mass m lies on a horizontal table. The coefficient of static friction between...
A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is ?s. The coefficient of kinetic friction is ?k, with ?k<?s. 1)If the block is at rest (and the only forces acting on the block are the force due to gravity and the normal force from the table), what is the magnitude of the force due to friction? 2)Suppose you want to move the block, but you want to...
Force homework? I'm really having a problem with these questions on my homework, and could really...
Force homework? I'm really having a problem with these questions on my homework, and could really use some help. Explanations would be really appreciated as well. 1. When you push a 1.80 kg book resting on a tabletop, it takes 1.70 N to start the book sliding. What is the frictional force exerted on the book when you push on it with a force of 0.65 N? 2. To move a large crate across a rough floor, you push on...
A trunk with a weight of 200 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.50, and the coefficient of kinetic friction is 0.26. (a) What is the magnitude of the minimum horizontal force with which a person must push on the trunk to start it moving? (b) Once the trunk is moving, what magnitude of horizontal force must the person apply to keep it moving with constant velocity? (c) If...
To move a large crate across a rough floor, you push on it with
a force F at an angle of 21 ? below the horizontal, as
shown in the figure (Figure 1) .
Find the force necessary to start the crate
moving, given that the mass of the crate is 32 kg and the
coefficient of static friction between the crate and the floor is
0.57.
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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