Kinematics Question 794
Question: A 500 kg crane takes a turn of radius 50 m with velocity of 36 km/hr. The centripetal force is[Pb. PMT 2003]
Options:
A) 1200 N
B)1000 N
C) 750 N
D) 250 N
Show Answer
Answer:
Correct Answer: B
Solution:
$ F=\frac{mv^{2}}{r}=\frac{500\times 100}{50}=10^{3}N $