Q. A $500\ kg$ crane takes a turn of radius $50\ m$ with velocity of $36\ km/hr$. The centripetal force is
A) $1200\ N$
B) $1000\ N$
C) $750\ N$
D) $250\ N$
Explanation
(b) $F = \frac{mv^{2}}{r} = \frac{500 \times 100}{50} = 10^{3}\ N$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.