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in Laws of Motion and Friction by (24.0k points)
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A block of mass m is pulled along a horizontal surface by applying a force at an angle θ with the horizontal. If the block travels with a uniform velocity and has a displacement d and the coefficient of friction is μ, then the work done by the applied force is

1 Answer

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Best answer

Correct option (b)

Explanation :

Because the block moves with a uniform velocity, the resultant force is zero. Resolving F into horizontal component F cos θ and vertical component F sin θ, we get

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