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A crowbar is being used with an actual mechanical advantage of 8. If the input force is 400 Newton’s on the 0.3 meter long end of the crowbar, what is the output force on the short end?

a) 960 N
b) 50N
C) 3,200 n
D) 120 n

Respuesta :

Answer:

C. 3,200

Explanation:

MA= F out/ F in.

multiply F in on both sides to cancel it out so you can solve for F out.

Fin*MA=F out

400 * 8 = F out

3,200= F out

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