2. A box slides from rest from point A down a plane inclined 30-angle to the horizontal. After reaching the bottom of the inclined plane, the box moves on horizontal floor at a distance 2.0 m before coming to rest. If the coefficient of friction between the box and the plane and between the box and the floor is 0.40. What is the distance of point A from the intersection of plane and the floor? 4x Mz0.4 Lb d= 2.0m.

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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.