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A Block of Mass M Is Pulled in the Direction θ\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 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<sub>k</sub>mg B) T cos \theta - ma C) µ<sub>k</sub>(T - mg) D) µ<sub>k</sub>T sin \theta E) µ<sub>k</sub>(mg + sin \theta ) .The magnitude of the frictional force is 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<sub>k</sub>mg B) T cos \theta - ma C) µ<sub>k</sub>(T - mg) D) µ<sub>k</sub>T sin \theta E) µ<sub>k</sub>(mg + sin \theta )


A) µkmg
B) T cos θ\theta - ma
C) µk(T - mg)
D) µkT sin θ\theta
E) µk(mg + sin θ\theta )

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