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

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Class I levers: In these types of levers, the fulcrum F is in between the effort E and the load L. Example: a seesaw, a pair of scissors, crowbar.

(a) More than one: shears used for cutting the thin metal sheets.
(b) Less than one: a pair of scissors whose blades are longer than its handles.

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

Class I levers: In these types of levers, the fulcrum F is in between the effort E and the load L. Example: a seesaw, a pair of scissors, crowbar. (a) More than one: shears used for cutting the thin metal sheets. (b) Less than one: a pair of scissors whose blades are longer than its handles.

Class I levers: In these types of levers, the fulcrum F is in between the effort E and the load L. Example: a seesaw, a pair of scissors, crowbar.

(a) More than one: shears used for cutting the thin metal sheets.
(b) Less than one: a pair of scissors whose blades are longer than its handles.