Laws Of Motion Question 357

Question: A block of 1 kg is stopped against a wall by applying a force F perpendicular to the wall. If μ=0.2 then minimum value of F will be[MP PMT 2003]

Options:

A) 980 N

B) 49 N

C) 98 N

D) 490 N

Show Answer

Answer:

Correct Answer: B

Solution:

F=Wμ=1×9.80.2=49N



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