A wheel having moment of inertia 2 kg-m 2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel's rotation in one minute would be :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given : Ι = 2kg - m 2 , ω 0 = 
rad/s,
ω = 0, t = 60s
The torque required to stop the wheel's rotation is
τ = Ια = Ι 
τ = 
N-m
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