Physics · Work, Energy and Power
A rectangular block is pushed up along an inclined plane at an angle of 30° with the horizontal by a force F at a uniform speed. Which one of the following statements is true about the work done?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The speed remains uniform so no work is done.
- 2Work done by F equals work done against gravity only.
- 3Work done by F equals work done against friction only.
- 4Work done by F equals the sum of work done against gravity and friction.✓
Correct answer
Work done by F equals the sum of work done against gravity and friction.
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