A 120-Kg Mass Is Placed on a 29

question 69

Multiple Choice

A 12.0-kg mass is placed on a 29.0° incline and friction keeps it from sliding.The coefficient of static friction in this case is 0.660,and the coefficient of sliding friction is 0.546.The mass is given a shove causing it to slide down the incline.What is the frictional force while the mass is sliding?

• A)57.0 N
• B)102.9 N
• C)56.2 N
• D)67.9 N
• E)​10.5 N

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