Particles of mass 10^ -2 kg is fixed to the tip of a fan blade
PHYSICS
JAMB 1999
Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is
- A. 2 N
- B. 20 N
- C. 200 N
- D. 400 N
Correct Answer: B. 20 N
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