Physics
Complete the following sentences:
(a) Mechanical advantage = …………… × velocity ratio
(b) In class II lever, effort arm is …………… than the load arm.
(c) A pair of scissors is a …………… multiplier.
Machines
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Answer
(a) Mechanical advantage = efficiency × velocity ratio
(b) In Class II lever, effort arm is longer than the load arm.
(c) A pair of scissors is speed multiplier
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