Complete the following sentences :

(a) In class II lever, effort arm is than the load arm.

(b) Oars of a boat are _ multipliers

shorter, speed

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shorter, effort

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longer, speed

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longer, effort

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Solution

The correct option is D
longer, effort

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

b) Oars of a boat are force/effort multipliers as less effort is required to move a heavy load.

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Similar questions

Complete the following sentences :

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

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

Which type of lever has an effort arm smaller than the load arm?

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