A rod of mass m and length l is lying on a horizontal table. Work done in making it stand…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A rod of mass m and length l is lying on a horizontal table. Work done in making it stand on one end will be:
- mgl
- \(\frac{m g \ell}{2}\)
- \(\frac{m g \ell}{4}\)
- 2 mgl
Answer
(B) m g 2
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