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A machine had a mechanical advantage of 4.5 what force is out out by the machine if the force applied to the machine is 800n

A. 0.006n
B. 180n
C. 805n
D. 3600n

Respuesta :

Answer;

D. 3600 N

Explanation;

Mechanical advantage is the ratio of force output from a machine divided by the force input into the machine.

That is;

Mechanical advantage = Output Force/Input Force

In this case;

Input force = 800 N

Thus;  Output force = M. A × input force

                                 = 4.5 × 800

                                 = 3600 N

Therefore; the output force by the machine is 3600 N

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