A Uniform Rod of Length L and Weight W Is

question 55

Multiple Choice

A uniform rod of length L and weight W is placed on a fulcrum a distance of 0.2L from the left end.On the left end is placed a mass of weight 3W and on the right end a vertical force F is applied to keep the system in balance.What are the magnitude and direction of the force F?
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• A) W,up
• B) W,up
• C) W,down
• D) W,down
• E) 0.6W,down

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Definitions:

Benedict Arnold

An American military officer who served during the Revolutionary War before defecting to the British side in 1780.

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A natural freshwater lake in North America, mainly within the borders of the United States (Vermont and New York) but partially situated in Canada, known for its recreational value and historical significance.

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