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 $ \mu =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=\frac{W}{\mu }=\frac{1\times 9.8}{0.2}=49N $
