Physics · Rotational Mechanics
A spring-mass system (mass m, spring constant k, and natural length l) rests in equilibrium on a horizontal disc. The free end of the spring is fixed at the centre of the disc. If the disc together with the spring-mass system rotates about its axis with an angular velocity ω (where k >> mω2), the relative change in the length of the spring is best given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1mω23k
- 2mω2k✓
- 32mω2k
- 4√23 (mω2k)
Correct answer
mω2k
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