1.

Imagine you have been asked to push a heavy box across the floor. At first, you needto push very hard, but once the box has started to move, you can push less harderand yet keep it moving. Why is this?c.

Answer»

In the starting the friction force is greatest. When we have pushed the box little, the friction force is slowing being overcome.

and so, the force we are applying on the object, is stronger than the friction force applied by the object... right?



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