Posted by **Krista** on Monday, March 21, 2011 at 6:27pm.

The arm of a crane at a construction site is 13.1 m long, and it makes an angle of 20° with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces at the base of the arm.

(a) What is the magnitude of the maximum torque the crane can withstand if the maximum load the crane can handle is 465 N?

(b) What is the maximum load for this crane at an angle of 25° with the horizontal?