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Svet_ta [14]
3 years ago
8

If you have to apply 40 N of force to a crowbar to lift a rock that weighs 400 N, what is the actual mechanical advantage of the

crowbar?
Physics
2 answers:
Sauron [17]3 years ago
6 0
The AMA is calculated as:
AMA = force obtained / force applied
AMA = 400 / 40
AMA = 10
vlada-n [284]3 years ago
5 0

Answer: 10 is the actual mechanical advantage of the crowbar.

Explanation:

Force exerted on the crowbar,Input forceF_I = = 40 N

Force exerted by the crowbar,Output force F_O  = 400 N

Actual Mechanical Advantage :

\frac{F_O}{F_I}=\frac{400 N}{40 N}=10

10 is the actual mechanical advantage of the crowbar.

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