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25 May, 04:04

A heavy bank-vault door is opened by the application of a force of 3.0 x 102 N directed perpendicular to the plane of the door at a distance of 0.80 m from the hinges. What is the torque?

120 N·m

240 N·m

300 N·m

360 N·m

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Answers (1)
  1. 25 May, 04:10
    0
    For this question, we need the formula τ = F x d, and just plug the numbers in.

    Given the formula τ = F x d

    Where τ = torque,

    F = force applied, &

    d = distance from the axis / hinge,

    τ = 300 c 0.8 = 240Nm

    Disregard the weight of the door or if there's any friction at the hinge. None of this will change the torque applied.
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