A Block of Mass M Is Pulled in the Direction $\theta$

question 21

Multiple Choice

A block of mass m is pulled in the direction shown in the figure across a rough surface with a constant acceleration .The magnitude of the frictional force is

• A)µ_kmg
• B)T cos \(\theta\) - ma
• C)µ_k(T - mg)
• D)µ_kT sin \(\theta\)
• E)µ_k(mg + sin \(\theta\))

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