Physics · JEE | LAWS OF MOTION

What is the centripetal force \( f_c \) required for a body of mass \( m \) moving in a circle of radius \( R \) with uniform speed \( v \)?

1. A
   \( f_c = \frac{m v}{R^2} \)
2. B
   \( f_c = \frac{m^2 v}{R} \)
3. C
   \( f_c = \frac{m v^2}{R} \)
4. D
   \( f_c = m v^2 R \)