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October 23, 2014

Homework Help: Physics

Posted by Tom on Tuesday, November 13, 2012 at 8:03pm.

The boom of a crane is 20 m long and is inclined 20ᵒ from the horizontal. A bucket of cement with a mass of 3000 kg is suspended from the upper end of the boom. What is the torque acting on the point where the boom is attached to the crane?
A. 5.5 x 105 Nm.
B. 3.5 x 105 Nm.
C. 4.5 x 105 Nm.
D. 2.0 x 105 Nm.
E. 2.0 x 104 Nm

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