Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
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Solution
A pair of scissors used to cut a piece of cloth has blades longer than the handles so that the blades move longer on the cloth than the movement at the handles.
While shears used for cutting metals have short blades and long handles because as it enables us to overcome large resistive force by a small effort.