Question

The fulcrum of a crowbar of length 2.5 m is at a distance of 20 cm from load. Determine the mechanical advantage of the crowbar.
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Answer 1

Explanation:

Mechanical Advantage, MA=

Loadarm

Effortarm

As given, Load arm=20cm

Effort arm=120−20=100cm

MA=

20

100

=5

Answer 2

Answer:

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Explanation:

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