Thu February 09, 2012 By: Ruchi Soni

a grind stone has moment of inertia 8 kg m2 about its axis . a constant torque is applied and the grind stone is found to acquire a speed of 150 rotations per minute in 10 sec after starting from rest . calculate the torque

Expert Reply
Sat February 11, 2012
Torque= Moment of inertia * angular acceleration
Moment of inertia is given and 
angular acceleratio= (150-0)/ 10= 15 rad/s2
put the values and get the answer.
Ask the Expert