*7. ssm A pair of forces with equal magnitudes, opposite directions, and different lines of action is called a “couple." When a couple acts on a rigid object, the couple produces a torque that does not depend on the location of the axis. B The drawing shows a couple acting on a tire wrench, each force being perpendicular to the wrench. Determine an expression for the torque produced by the couple when the axis is perpendicular to the tire and passes through (a) point A, (b) point B, and (c) point C. Express your answers in terms of the magnitude F of the force and the length L of the wrench.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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*7. ssm A pair of forces with
equal magnitudes, opposite
directions, and different lines
of action is called a “couple."
When a couple acts on a rigid
object, the couple produces a
torque that does not depend
on the location of the axis.
B
The drawing shows a couple
acting on a tire wrench, each
force being perpendicular
to the wrench. Determine
an expression for the torque
produced by the couple when the axis is perpendicular to the tire and
passes through (a) point A, (b) point B, and (c) point C. Express your
answers in terms of the magnitude F of the force and the length L of the
wrench.
Transcribed Image Text:*7. ssm A pair of forces with equal magnitudes, opposite directions, and different lines of action is called a “couple." When a couple acts on a rigid object, the couple produces a torque that does not depend on the location of the axis. B The drawing shows a couple acting on a tire wrench, each force being perpendicular to the wrench. Determine an expression for the torque produced by the couple when the axis is perpendicular to the tire and passes through (a) point A, (b) point B, and (c) point C. Express your answers in terms of the magnitude F of the force and the length L of the wrench.
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