Kinematics Question 739
Question: A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is [KCET 2001; CBSE PMT 1999; JIPMER 2001, 02]
Options:
A) 250 N
B)750 N
C) 1000 N
D)1200 N
Show Answer
Answer:
Correct Answer: C
Solution:
$ v=36\frac{km}{h}=10\frac{m}{s} $ $ F=\frac{mv^{2}}{r}=\frac{500\times 100}{50}=1000N. $
