Question

The Load of a lever is 2 m long and the effort arm is 1 m long. What is its MA (Mechanical advantage) ? What effort will be required to lift a 100N force

Answer 1

Explanation:

See

the length of load arm= 2m

```````````````````````````effort arm=1m

M. A. = effort arm/load arm

= 1/2

= .5

According to principle of lever =

load *load arm=effort*effort arm=

100*2=x*1

=1x=100*2

=100*2/1

=200

therefore 200 N is required to lift 100N of force or load

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