Physics · Mechanics
A metallic chain of length L and mass M is vertically hung above a surface with one end just in contact with it. The chain is then released to fall freely. If X is the distance covered by the falling end of the chain, how much force (exerted by the surface) will the chain experience at that instant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1N = 3MgX L✓
- 2N = Mg - 2 MX
- 3N = 3 Mg
- 4N = Mg - MX
Correct answer
N = 3MgX L
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