Question

A blacksmith uses a heavy hammer and brings it from a height before striking on the chisel. Why ?

[ class 9 cbse ]

Answer 1

so that it must have work done as work done is equals to force × displacement so more the displacement more the work done.
hope it helps!!!!!

Answer 2

A blacksmith uses a heavy hammer and brings it from a height before striking on the chisel, in order that hammer has higher amount of potential energy and therefore more work can be done on the chisel.