A 274-N Uniform Ladder,11

question 80

Multiple Choice

A 274-N uniform ladder,11.0 m long,rests against a smooth vertical wall.The coefficient of static friction between ladder and floor is 0.400.What minimum angle can the ladder make with the floor before it slips?

• A)84.3°
• B)68.2°
• C)21.8°
• D)51.3°
• E)11.3°

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APR

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APR

Annual Percentage Rate, which measures the cost of credit, including interest and any other charges, expressed as a yearly interest rate.

Interest

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