7. A 4.50 kg block is pressed against a vertical wall by a force (→F), as shown in the figure below. The coefficient of static friction between the block and the wall is 0.32 and the directional angle θ for the force is 46°. Determine the magnitude of the force (→F) when the block is about to slide up the wall.

Q: 20 kg box sits on a level floor. The box does not move until you push on it with a horizontal force…

A:

Q: A block weighs 100. N and rests on a horizontal surface. If Ms = 0.50 and uk = 0.20 between the…

A:

Q: Find an expression for the magnitude of the horizontal force F for which mi does not slip either up…

A: Given diagram:-

Q: A box of mass M = 5.0 kg is on a rough ramp inclined at an angle 0 = 30° to the horizontal as shown.…

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Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 48 kg. You were pulling…

A: Given data:  Mass of crate (m) = 48 kg Applied force (FA ) = 464 N Inclined angle (θ) = 29.5°…

Q: a) A 3.800 kg block of wood rests on a steel desk. The coefficient of static friction between the…

A: Given, Mass of block (m) = 3.8 kg  Coefficient of static friction between block and desk (µs) =…

Q: A toy chest and its contents have a combined weight of W= 220 N. The coefficient of static friction…

A: Given:- The toy chest and its contents have a combined weight W= 220 N  The coefficient of the…

Q: straight horizontal rope is towing a 7.10 kg toboggan across frictionless ice. A 3.55 kg radio is on…

A:

Q: You are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of…

A: Given data: Coefficient of static friction (μs) = 0.62  Coefficient of kinetic friction (μk) = 0.50…

Q: A block of mass 3.00 kg is pushed up against a wall by a force P that makes 50.0 degrees angle with…

A: The free body diagram of the system is as shown below:…

Q: A box of mass m = 5.00 kg is placed on a ramp with incline 0 = 24.0° and slowly starts to slide…

A:

Q: Block m has a mass of 16 kg.  Block M has a mass of 88 kg.  If there is no friction between block M…

A: Mass of block m is m=16 kg. Mass of block M is M=88 kg. The coefficient of friction between block m…

Q: The figure below illustrates the motion of an object on an inclined surface. The angle of…

A:

Q: Two masses m1 = .5kg and m2 = .2kg are attached by an unstretchable string over a mass-less pulley.…

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Q: A person pushes horizontally with a force of 170. N on a 61.0 kg crate to move it across a level…

A: (a) The magnitude of frictional force,

Q: Six 5 N blocks are stacked vertically. The coefficient of static friction between the blocks is µs =…

A:

Q: is A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, the coefficient of static friction μs=0.579 the coefficient of kinetic friction μk=0.419…

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Q: Your professor's car has stalled in the middle of the road. He is behind it pushing on the trunk…

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Q: A 50-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 30.0° below…

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Q: Suppose a 25.0 kg block rests on a horizontal plane, and the static friction coefficient between the…

A: The maximum static frictional force can be obtained as fs≤μsNfs≤μsmg≤0.22025.0kg9.80m/s2≤53.9 N

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

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Q: A 20 N block is placed on an inclined plane and connected to a 10 N hanging block by a cord that…

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Q: A 750 N box moves at a constant velocity on a floor with a coefficient of static friction μs = 0.800…

A: Weight of box Fb = 750 N Coefficient of static friction μs = 0.800 Coefficient of kinetic friction…

Q: A block is pressed against a vertical wall by a force F, as the drawing shows. This force can either…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: