Question

If the value of g suddenly becomes twice its value, it will become two times more difficult to pull a heavy object along the floor. Why?
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Answer 1

Explanation:

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Answer 2

Answer:

This force of friction is proportional to the weight, mg, of the object. It the value of g becomes twice its value, the weight of the object and hence the force of fricition will become double. Therefore, it will become two times more difficult to pull a heavy object along the floor.