The boom of a crane is 20 m long and is inclined 20° 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 × 105 N m
B)
3.5 × 105 N m
C)
4.5 × 105 N m
D)
2.0 × 105 N m
E)
2.0 × 104 N m
A
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