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JEE Main 20245 AprilMorning Shift
Exam
JEE Main
Year
2024
Date
5 April
Shift
Morning Shift
Subject
Physics
Chapter
Laws of Motion

JEE Main 2024 · 5 April · Morning Shift · Physics · Laws of Motion

A wooden block of mass 5 ~kg rests on a soft horizontal floor. When...

A wooden block of mass 5 kg5 \mathrm{~kg} rests on a soft horizontal floor. When an iron cylinder of mass 25 kg25 \mathrm{~kg} is placed on the top of the block, the floor yields and the block and the cylinder together go down with an acceleration of 0.1 ms−20.1 \mathrm{~ms}^{-2}. The action force of the system on the floor is equal to:A wooden block of mass 5 ~kg rests on a soft horizontal floor. When an iron cylinder of mass 25 ~kg is placed on the

Options

  1. A196 N196 \mathrm{~N}
  2. B291 N291 \mathrm{~N}
  3. C294 N294 \mathrm{~N}
  4. D297 N297 \mathrm{~N}

Correct answer

B. 291 N291 \mathrm{~N}

Step-by-step solution

Taking g=9.8 m/s2\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^2 A wooden block of mass 5 ~kg rests on a soft horizontal floor. When an iron cylinder of mass 25 ~kg is placed on the
294−N=30×0.1 N=291\begin{aligned} & 294-\mathrm{N}=30 \times 0.1 \\ & \mathrm{~N}=291\end{aligned}
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