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A person exerts a horizantal force of 85 N on the end of a door 77...

A person exerts a horizantal force of 85 N on the end of a door 77 cm wide.

part A

What is the magnitude of the torque if the force is exerted perpendicular to the door?

Express your answer using two significant figures.

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Answer #1

Torque= F (Cross) R

= F*R*sin(theta)

= 85*0.77*sin(90)

= 65.45 Nm

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