JEE Main 2018 — Laws of Motion Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
A body of mass slides down with an acceleration of on a rough inclined plane having a slope of . The external force required to take the same body up the plane with the same acceleration will be:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Equation of motion when the mass slides down
{ Equation of motion when the block is }
pushed up
Let the external force required to take the block up the plane with same acceleration be
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This is a previous-year question from JEE Main 2018, covering the Laws of Motion 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.