Particles of mass 10−2kg is fixed to the tip of a ...
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
2 N
20 N
200 N
400 N
Correct answer is B
Centripetal Force (Fc) = mv2r
= mω^2r
(Since V = ωr)
F = 100 x 0.2
F =20 N