Questions
A solid disc of mass 2 kg and radius 0.5 m is rotating about its own geometrical axis at 2 rps. A constant torque is applied on the disc. Then angular velocity of the disc after 10 sec will be
detailed solution
Correct option is C
I=12×2×0.52=14 Kg−m2Angular acceleration, α=τI=π1/4rad/s2⇒α=4π rad/s2∴ ω=ω0+αt=2×2π+4π×10rad/s=44π rad/sTalk to our academic expert!
Similar Questions
Forces are applied on a wheel of radius 20 cm as shown in the figure. The torque produced by the forces 8 N at A, 8 N at E, 6 N at C and 9 N at D at angles indicated is
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