Question

The effort arm of a lever is 5 m long and it's load arm is 2 m long. Find the effort needed to raise a load of 70 kgwt

Answer 1

Answer:

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Explanation:

Effort Arm /Load .Arm =Load/Effort  

120/80 = 60/Effort

Effort = 40 N

Mechanical .Advantage = Load/Effort = 6O/40=3/2=1.5

Answer 2

Explanation:

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