Question

Scissors used for cutting metals have longer handles.Why?

Answer 1

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For scissor, small movement at effort(at handle) should make long movement of load arm , so that it can cut longer lengths of cloth/paper. Hence blades are longer than handle. But in metal cutting shear, we need large mechanical advantage to overcome the resistive load while cutting metal sheets.....☺

Answer 2

Answer:

because as it enable us to overcome large resistive force by a small efort