Question

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

Answer 1

Explanation:

this happens because when we push the object the the force of friction that is acting opposite to the force is somehow less than the force we apply on the object but if the force is doubled then it will require even more force to push or pull that object that is why it will be more difficult to pull a heavy object along the floor if the value of g suddenly becomes twice its value.

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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.