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April 17, 2014

Homework Help: physics

Posted by Anonymous on Sunday, December 9, 2007 at 3:33pm.

The hour hand and the minute hand for the famous Parliament clock tower Big Ben in London are 2.7m and 4.5m long and have masses of 60kg and 100kg, respectively. Calculate the total torque due to weight of these hands about axis of rotation when the time reads (a) 3:00 (b) 5:15 (c) 6:00 (Answer: (a) 794 N*m (b) 2600 N*m (c) 0 N*m)

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