Q. 4. As shown in the figure, 2 blocks of different mass are connect by a string that passes over pulley. Assume the coefficient of kinetic friction to be uk, at what value of the angle 0 these masses will move at constant speed? 4m 2m Q. 5. Consider two vectors P and Q, such that P = 4cî – 43 + 2ck

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A: Hey dear using the formula for work done we can easily solve this

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A: Draw the free-body diagram of the system.

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Q: As shown in the figure below, a box of mass m = 31.0 kg is sliding along a horizontal frictionless…

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Q: 100 kg 20° mo 90 kg 105 kg O 101 kg O 100kg

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Q: A (cord tensions) Ста 40° B (no friction MK = 0.35 мк с = 4 lb W₁ = 4 16 B W = 16 16 Three blocks…

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Q: I only need help with e) thank you!  In the figure below, a runaway truck with failed brakes is…

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Q: what are the forces due to each of the legs on the table, in Newtons?

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A: The answers to the questions are as follows.

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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.