A Tired Worker Pushes a Heavy (100-Kg)crate That Is Resting

question 47

Multiple Choice

A tired worker pushes a heavy (100-kg) crate that is resting on a thick pile carpet.The coefficients of static and kinetic friction are 0.6 and 0.4,respectively.The worker pushes with a force of 500 N.The frictional force exerted by the surface is

• A)1000 N
• B)600 N
• C)500 N
• D)400 N
• E)100 N

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