Homework Help: Physics... rotation

Posted by Kimora on Thursday, November 13, 2008 at 10:16pm.

A constant force of 40 N is applied tangentially to the rim of a wheel with 20 cm radius.
The wheel has a moment of inertia of 30 kg m2.

Show that the angular acceleration of
the wheel is 0.27 rad s-2

Physics... rotation - bobpursley, Thursday, November 13, 2008 at 10:22pm
Torque=I*alpha
force*radius=I(alpha

solve for alpha.
Physics... rotation - Kimora, Thursday, November 13, 2008 at 10:25pm
oo...i totally forgot to expand torque to be the force x perpend. radius

thanks..got it

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