Particles of mass 10\(^{-2}\)kg 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
Centripetal Force (F\(_c\)) = \(\frac{mv ^2}{r}\)
= \(mω^2r\)
(Since V = ωr)
F = 0.01 x \(100^2 \times 0.2 \)
F = 20 N
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