Exercise 4.23 Boxes A and B are in contact on a horizontal, frictionless surface (Figure 1). Box A has mass 23.0 kg and box B has mass 5.0 kg .A horizontal force of 180 N is exerted on box A. Figure 1 of 1

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Q: In the figure below, the light, taut, unstretchable cord B joins block 1 and the larger-mass block…

A: GivenIn the figure below, the light, taut, unstretchable cord B joins block 1 and the larger-mass…

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A: (a) Free body diagram for the first block:

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Q: A 10.0 kg box is pushed along a surface (µ = 0.400) with a force of 300 N. Draw a Free Body Diagram…

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Q: A block with a mass of m = 43 kg rests on a frictionless surface and is subject to two forces acting…

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A: momentum = mass × velocity  Force = rate of change in momentum

Q: Boxes A and B are in contact on a horizont al, frictionless surface. Box A has mass 20.0kg and box B…

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Q: A 12.5 kg box is placed on the horizontal surface of a table where the coefficient of kinetic…

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Q: A block of mass ?= 4.50 kg is pushed by a force ?⃗ of magnitude 8.80 N on a horizontal, smooth…

A: Given that, Mass of block= 45 kg Force = 8.80 N Angle = 300

Q: B. A Blocks A and B, of masses m, mp, are at rest on a frictionless surface, as shown above, with…

A: The diagram below is the free body diagram of the blocks-

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A: First need to draw free body diagram ( where we have to represent all forces acting on the system)…

Q: Block A, with mass mA= 1.5kg, is on a horizontal table connected to an ideal string, which goes over…

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Q: A 50.0 kg girl and a 100 kg boy, stand on a frictionless frozen lake at a distance 6.0 m apart.…

A: mass of girl = 50 kg mass of boy = 100 kg distance between girl and boy = 6 m force exerted by boy…

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Q: Two identical pucks collide elastically on an air hockey table. Puck 1 was originally at rest; puck…

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Q: +X W

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Q: Three blocks on a frictionless horizontal surface are in contact with each other. A force F is…

A: applied force on the first block (F) = 12 N m1 = 2.3 kg m2 = 1.2 kg m3 = 3.7 kg

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Q: Two boxes with masses m1= -60.0 kg and m2= -30.0 kg are connected by a light string that passes over…

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Q: A 20 kg suitcase is being pulled with constant speed by a handle that is at an angle of 23 above the…

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Q: In which case is the normal force greater? A B The normal forces are equal.

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”