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# A person stands a distance R from a door's hinges and pushes with a force F directed perpendicular to its surface.

1. A person stands a distance R from a door's hinges and pushes with a force F directed perpendicular to its surface. By what factor does the applied torque change if the person's position and force change to the following?

I. 2R and 2F

a. 2

b. 4

c. 6

d.8

II. R/2 and F/2

a. 0.25

b.0.50

c. 1.25

d. 1.50

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1 comment
• Sinθ =Sin90 =1 hence Torque = R*F
• radhey9
• May 09, 2018 at 1:49pm

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