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A Man Uses a 11-Foot Bar to Lift a 108-Pound

Question 23

Multiple Choice

A man uses a 11-foot bar to lift a 108-pound tire. He places a rock 2 feet from the tire to act as the fulcrum. How much force must he exert to lift the tire?


A) 108 lb
B) 12 lb
C) 24 lb
D) 9 lb

Correct Answer:

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