wo objects are connected by a light string passing over a light, frictionless pulley as in the Figure shown. The 5.00-kg object is released from rest at a point 4.00m above the floor. a) Determine the speed of each object when the two pass each other b) Determine the speed of each object at the moment the 5.00-kg object hits the floor? c) How much higher does the 3.00-kg object travel after the 5.00-kg object hits the floor?

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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.