The hour hand and the minute hand of Big Ben, the Elizabeth Tower clock in London, are 2.70 m and 4.50 m long and have masses of 60.0 kg and 100 kg, respectively. Determine the total torque due to the weight of these hands about the axis of rotation when the time reads 6:00 ( You may model the hands as long, thin, uniform rods.)

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A: SOlution:

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Q: 0.28 m 50.0

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Q: The hour hand and the minute hand of Big Ben, the Elizabeth Tower clock in London, are 2.70 m and…

A:

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A: (a) Use the definition of torque to find Moment of inertia τ=IαFr=IαI=Frα=300 N0.330 m0.812…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.