Torque Using Cross Product
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Consider the torque (turning force) on a wrench that is tightening or loosening a bolt. If a force of newtons (N) is applied to the end of a wrench of length
meters (m), the torque is given by the cross product
. Its magnitude is then
N m, where
is the angle between the vectors
and
.
Contributed by: S. M. Blinder (August 2022)
Open content licensed under CC BY-NC-SA
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Reference
[1] J. Stewart, D. K. Clegg and S. Watson, Calculus: Early Transcendentals, 9th ed., Boston: Cengage Learning, 2021 p. 861.
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