Question

Complete the following sentences :

(a) Mechanical advantage = ............ $\times$ velocity ratio

(b) In class II leer, effort arm is ........ than the load arm.

(c) A scissors is a ........ multiplier

Answer 1

a) Mechanical advantage = Efficiency $\times$ velocity ratio

b) In class II lever, effort arm is longer than the load arm.

c) A scissors is a speed multiplier.