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A String Is Tied to a Doorknob 0

Question 55

Multiple Choice

A string is tied to a doorknob 0.72 m from the hinge as illustrated in the figure.At the instant shown, the force applied to the string is 5.0 N.What is the magnitude of the torque on the door? A string is tied to a doorknob 0.72 m from the hinge as illustrated in the figure.At the instant shown, the force applied to the string is 5.0 N.What is the magnitude of the torque on the door? A) 2.1 N . m B) 3.0 N .m C) 1.0 N . m D) 0.78 N . m E) 0.60 N . m


A) 2.1 N . m
B) 3.0 N .m
C) 1.0 N . m
D) 0.78 N . m
E) 0.60 N . m

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