A 55-Kg Box Rests on a Horizontal Surface

question 103

Multiple Choice

A 55-kg box rests on a horizontal surface.The coefficient of static friction between the box and the surface is 0.30.A horizontal 140-N force is exerted on the box.What is the friction force exerted by the surface on the box?

• A)140 N
• B)160 N
• C)16.5 N
• D)0.00 N
• E)42 N

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