Physics-Circular Motion Dynamics
NEET Physics Circular Motion Dynamics MCQ Question
Type: MCQ-numerical-Easy-Class 11
What is the centripetal force acting on a 2 kg stone rotating in a circle of radius 0.5 m with a uniform speed of 2 m/s?
A
16 N
B
8 N
C
4 N
D
2 N
Correct Answer
Option B
Detailed Explanation
The centripetal force is calculated using the formula f_c = mv^2/R. Substituting m = 2 kg, v = 2 m/s, and R = 0.5 m gives f_c = (2 * 2^2) / 0.5 = 8 N.
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