Mathematics · Laws of Motion and Friction
A block of mass 20 kg slides on a rough horizontal plane surface. At a particular instant, the speed of the block is 10 m/s. If it comes to rest after traveling a distance of 20 m, what is the magnitude of the constant frictional force acting on it?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 150 N✓
- 240 N
- 320 N
- 410 N
Correct answer
50 N
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