Laws Of Motion Ques 64
64. A $500 kg$ car takes a round turn of radius $50 m$ with a velocity of $36 km / h$. The centripetal force is
[1999]
(a) $250 N$
(b) $750 N$
(c) $1000 N$
(d) $1200 N$
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Answer:
Correct Answer: 64.(c)
Solution:
- (c) Centripetal force $=\frac{m v^{2}}{r}=\frac{500 \times(10)^{2}}{50}$ $=1000 N \quad[\because 36 km / hr=10 m / s]$
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