The Effort Arm Of A Lever is 4m Long And the Load Arm Is 8m Long. Find The Effort Required to Lift a Load of 20N

Solution:

Effort arm = 4m

Load arm = 8m 

Load = 20N

Effort = ?

$Load \times  Load \ arm = Effort \times Effort \ arm$

$20N \times 8 m = Effort \times 4 m$

Effort required = $20 \times \frac{8}{4}$ = 40N

So the Effort required to lift a load of 20N is 40N

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Updated on: 10-Oct-2022

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