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Question: Answered & Verified by Expert
A horizontal force of $10 \mathrm{~N}$ is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2 . the weight of the block is

PhysicsLaws of MotionJEE Main
Options:
  • A $2 \mathrm{~N}$
  • B $20 \mathrm{~N}$
  • C $50 \mathrm{~N}$
  • D $100 \mathrm{~N}$
Solution:
1034 Upvotes Verified Answer
The correct answer is: $2 \mathrm{~N}$
$F=\frac{W}{\mu} \quad \therefore W=\mu F=0.2 \times 10=2 N$

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