Homework Help: Cranes

Posted by Jerry on Sunday, October 23, 2011 at 11:23pm.

08/09/2005 Physics

A crane is lifting a 200 pound object. The crane boom is 50 ft long. The boom forms an 85 degree angle with the horizontal. What is the torque applied to the crane boom?

Torque - drwls, Monday, October 24, 2011 at 5:37am
50 * 200 *cos85 = 872 ft-lb

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