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Question

Calculate the mechanical advantage of a lever in which the effort arm is 50 cm and the load arm is 2 cm.

A
5
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B
10
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C
20
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D
25
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Solution

The correct option is D 25
Given:
Effort arm = 50 cm, Load arm = 2 cm

Mechanical advantage = Effort armLoad arm = 502 = 25


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