Physics · Work, Energy and Power
A block slides across a rough horizontal tabletop and eventually comes to rest. Which of the following statements is true regarding the work done by the frictional forces?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It changes the kinetic energy of the block only.
- 2It changes both the kinetic energy and the internal energy of the block.✓
- 3It changes the internal energy of the block only.
- 4It changes the potential energy of the block only.
Correct answer
It changes both the kinetic energy and the internal energy of the block.
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