A man pushes a m = 3.20 kg block a distance d = 7.40 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle ? = 20.0°  below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.)

Q: In the figure below, the two blocks are released from rest, with the 2.0 kg block at height H above…

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Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.880 m/s encounters a rough horizontal…

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Q: A force F, with a magnitude of 18.80 N, acts on an object with a mass of m = 1.03 kg parallel to the…

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Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal…

A: (b) Solution :   The work done on the crate on a rough surface is, W = Force × Displacement   Heren…

Q: Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high as shown in the figure…

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Q: The figure below shows a clawhammer as it is being used to pull a nail out of a horizontal board. A…

A: Solution of above questions are given in below steps with full explanations.

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Q: The forces F, = (4i - j- 6k)N and F, = (-7i + 2j + 3k)N act through the points with position vectors…

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Q: Two blocks m, = 30 kg and m2 are connected as shown below. The block m, is placed on an inclined…

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Q: The figure below shows a clawhammer as it is being used to pulla nail out of a horizontal board. A…

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Q: This question refers to the situation in Figure 2, above. The mass of block A is 3.3 kg. The mass of…

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Q: Mass mB = 25 kg is on a horizontal surface connected by a rope over a pulley to mass mA = 15 kg.…

A: mB = 25 kg  mA = 15 kg N is the normal force and fs is the static friction.

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A: Given Mass of one block = 8.00 kg Mass of another block = 6.00 kg Initial speed of both blocks =…

Q: The figure below shows a clawhammer as it is being used to pull a nail out of a horizontal board. A…

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Q: ver of mass 64.7 kg stands on one end of a diving board of mass 34.2 kg, as shown in the diagram.…

A: GivenMass of diver, mD=64.7 kgMass of diving board , mB=34.2 kg

Q: The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. If…

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Q: A 10 kg block starts from rest at the top of a rough incline of angle 30oand slides 4.0 m down in…

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Q: A block with mass m1 = 8.5 kg is on an incline with an angle θ = 33° with respect to the horizontal.…

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Q: The figure below shows a clawhammer as it is being used to pull a nail out of a horizontal board. A…

A: Complete detailed Solution of above questions are given in below steps.

Q: In the winter sport of bobsledding, athletes push their sled along a horizontal ice surface and then…

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Q: In the figure, a man is trying to get his car out of mud on the shoulder of a road. He ties one end…

A: Given DataF=550NL=29ms=0.28To findFR=?

Q: An object is subjected to the following forces; F1 = 12.0 N@ 35.0 degrees F2 = 17.0 N@ 125 degrees…

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Q: For the system of blocks shown, a horizontal force P impends the motion of block A upwards. The…

A: WA= 1000N  u= 0.25

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Q: A 2kg object is moving horizontally with a speed of 4m/s. how much net force is required to keep the…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.