Question

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 ?​

Answer 1

Answer:

80 N answer

Explanation:

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Answer 2

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