Same situation as in the previous problem this time the magnet has mass 7.91 kg, the force pulling it to the right is 111.4 N, the cord has length 1.42 m and the ceiling is 2.99 m above the floor. How far to the right of its start point will the magnet have traveled when it hits the floor after the cord is cut?     4.38 m     3.44 m     3.13 m     2.50 m

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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.