Intro to Torque Video Lessons

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Problem: What is the length, rm, of the moment arm of the force F about point p in terms of r and θ?

FREE Expert Solution

From trigonometry:

Sin θ = opphyp

Using angle properties, the vertically opposite angle is equal to θ.

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What is the length, rm, of the moment arm of the force F about point p in terms of r and θ?

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