Questions
A wheel of radius 10 cm can rotate freely about its centre as shown in figure. A string wrapped over its rim is pulled by a force of 5N. It i" observed that the torque produces angular acceleration of 2 rad s-2 in the wheel. What is the moment of inertia of the wheel? [NEET 2016]
detailed solution
Correct option is A
Torque, τ=Iα or moment of inertia of wheel I=ταMoment of inertia of wheel, I=5×10×10−22kg−m2=0.25kg−m2Talk to our academic expert!
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