Physics · Engineering Mechanics
A block of mass m is placed on a rough horizontal surface. A force F is applied on the block at an angle θ above the horizontal. The coefficient of kinetic friction between the block and surface is μk. Assuming the block moves towards the right, the acceleration of the block is (where g is acceleration due to gravity):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a = Fm cos(θ) - μk (g + Fm sin(θ))
- 2a = Fm sin(θ) - μk (g - Fm cos(θ))
- 3a = Fm cos(θ) + μk (g - Fm sin(θ))
- 4a = Fm cos(θ) - μk (g - Fm sin(θ))✓
Correct answer
a = Fm cos(θ) - μk (g - Fm sin(θ))
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