KEY CONCEPT FIGURE 7.21 Signs and strengths of the torque. .. A positive torque tries to rotate the object counterclockwise about the pivot. Maximum positive torque for a force perpendicular to the radial line .. Pulling straight out from the pivot exerts zero torque. Pushing straight toward the pivot exerts zero torque. R... A negative torque tries to rotate the object clockwise about the pivot. Radial line Point where force is applied „ Maximum negative torque for a force perpendicular to the radial line Pivot point A 2F B 2F r/2 C D F F FE

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
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A wheel turns freely on an axle at the center. Given the details noted in the image, which one of the forces shown in the figure will provide the largest positive torque on the wheel?

KEY CONCEPT
FIGURE 7.21 Signs and strengths of the torque.
.. A positive torque tries to rotate the
object counterclockwise about the pivot.
Maximum positive torque for a force
perpendicular to the radial line ..
Pulling straight out from the
pivot exerts zero torque.
Pushing straight toward the
pivot exerts zero torque.
R... A negative torque tries to rotate the
object clockwise about the pivot.
Radial line
Point where
force is applied „ Maximum negative torque for a force
perpendicular to the radial line
Pivot point
A
2F
B
2F
r/2
C
D
F
F
FE
Transcribed Image Text:KEY CONCEPT FIGURE 7.21 Signs and strengths of the torque. .. A positive torque tries to rotate the object counterclockwise about the pivot. Maximum positive torque for a force perpendicular to the radial line .. Pulling straight out from the pivot exerts zero torque. Pushing straight toward the pivot exerts zero torque. R... A negative torque tries to rotate the object clockwise about the pivot. Radial line Point where force is applied „ Maximum negative torque for a force perpendicular to the radial line Pivot point A 2F B 2F r/2 C D F F FE
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