Question

NUMERICALS
The length of a Class Lever 1 is 2 cm . Calculate its mechanical advantage if the fulcrum is at a distance of 40 cm from the effort point .

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Answer 1

Answer:

The answer is in the attached picture...

Hope it helps you

Answer 2

Length of the lever 2m=200 cm

Length of the effort arm 40 cm

Length of the load arm 200 cm−40 cm=160 cm

Mechanical advantage ?

We know that,

Mechanical advantage= Length of the

effort arm / Length of the load arm

MA=160 cm/40 cm =0.25