Homework Help: Physics HELP!

Posted by Brad on Wednesday, November 7, 2012 at 12:46pm.

A simple pendulum consists of a small object of mass 7.40 kg hanging at the end of a 2.10 m long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string makes a 3.00° angle with the vertical

Physics HELP! - bobpursley, Wednesday, November 7, 2012 at 1:05pm
What is mg*length*cosineAngle
Physics HELP! - Tia, Wednesday, November 7, 2012 at 1:12pm
I got 152.08 and its saying its wrong!
Physics HELP! - Elena, Wednesday, November 7, 2012 at 4:19pm
M= m•g•L•sinα=7.4•9.8•2.1•sin3°=7.97 N•m

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