JEE Main 2020 — Motion In Two Dimensions Question with Solution
JEE Main 2020 (09 Jan Shift 2)
Question
A spring mass system (mass spring constant and natural length ) 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 spring mass system rotates about it's axis with an angular velocity the relative change in the length of the spring is best given by the option:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
So, is equal to
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This is a previous-year question from JEE Main 2020, covering the Motion In Two Dimensions chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.