The load arm of a lever is 5m long and its effort arm is 4m.What is the effort needed to lift a load of 40N ?
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Answer:
80 N answer
Explanation:
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Answer:
50 N
Explanation:
Length of the load arm = 5m
Length of the effort arm = 4m
Load = 40N
We know that,
Load/Effort = Effort arm/Load arm
By putting values, we get
40 N/Effort = 4 m/5 m
Effort = 40*5/4
= 50 N
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