JEE Main 2026 — Work Power Energy Question with Solution
JEE Main 2026 (21 January Shift 2)
Question
A body of mass 2 kg is moving along -direction such that its displacement as function of time is given by , where and . The work done on the body during the time interval to , is J.
Choose an option
Show full solutionCorrect option: D
Correct answer
D24
Step-by-step explanation
Given , with kg, find work from s to s.
Velocity:
At s: m/s
At s: m/s
Using the work-energy theorem:
J
Velocity:
At s: m/s
At s: m/s
Using the work-energy theorem:
J
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This is a previous-year question from JEE Main 2026, covering the Work Power Energy 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.