A Horizontal Force of 5 $\mu$ _s = 0 $\mu$ _k = 0

question 56

Multiple Choice

A horizontal force of 5.0 N pushes a 0.50-kg block against a vertical wall. The block is initially at rest. If $\mu$ _s = 0.6 and $\mu$ _k = 0.80, the frictional force is:

• A) 0
• B) 4.9 N
• C) 3.0 N
• D) 5.0 N
• E) 4.0 N

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