Physics · Mechanics
A block of mass 2 kg is placed on a rough horizontal surface. If a horizontal force of 20 N acting on the block produces an acceleration of 7 m/s2 in it, then the coefficient of kinetic friction between the block and the surface is: (Take acceleration due to gravity g = 10 m/s2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5
- 20.4
- 30.3✓
- 40.2
Correct answer
0.3
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