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A worker uses a pulley system to raise a 550 N carton 8.25 m. A force of 150 N is exerted and the rope is pulled 25 m. What is the AMA of the system?



Answer :

MathPhys

Answer:

3.67

Explanation:

The actual mechanical advantage (AMA) is the ratio of the resistance force (Fr) to the effort force (Fe). In this case, the resistance force is 550 N, and the effort force is 150 N. The AMA is therefore:

AMA = Fr / Fe

AMA = 550 / 150

AMA = 3.67

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