Physics

Give one example each of a class I lever where the mechanical advantage is
(a) more than 1, and
(b) less than 1.

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(a) For a class I lever, the mechanical advantage is more than 1 in the case of shears used for cutting the thin metal sheets.

(b) For a class I lever, the mechanical advantage is less than 1 in case of a pair of scissors whose blades are longer than its handles.

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