Verified Solution • 2025–26 Session moderate

QJEEM23Phe309: JEE Main 2023 Physics - Class 11 JEEM23Phe309 Solution: A block of mass slides down the plane inclined at angle 30 ∘…

A block of mass mm slides down the plane inclined at angle 30∘ with an acceleration g4. The value of coefficient of kinetic friction will be:

Multiple Choice Options

  • A 23−12
  • B 32
  • C 123
  • D 23+12

Step-by-Step Verified Solution

Mgsin⁡30∘−μmgcos⁡30∘=ma\mathrm{Mg} \sin 30^{\circ}-\mu \mathrm{mg} \cos 30^{\circ}=\mathrm{ma}

g2−32⋅μg=g4

JEE Main 2023 (Online) 29th January Morning Shift Physics - Laws of Motion Question 33 English Explanation
32μ=14μ=123

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