Physics · Laws of Motion
A block of mass m slides along a floor while a pulling force of magnitude F is applied to it at an angle θ above the horizontal. If the coefficient of kinetic friction is μk, then the block's acceleration a is given by (where g is the acceleration due to gravity):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1F/m cos(θ) + μk(g - F/m sin(θ))
- 2F/m cos(θ) - μk(g + F/m sin(θ))
- 3F/m cos(θ) - μk(g - F/m sin(θ))✓
- 4-F/m cos(θ) - μk(g - F/m sin(θ))
Correct answer
F/m cos(θ) - μk(g - F/m sin(θ))
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