How does torque affect rotational motion?

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1 Answer
Gió
Aug 10, 2015

Torque produces angular acceleration in rotational motion.

Explanation:

Torque plays the same role in rotational motion that force plays in linear motion. Through Newton'a Second Law you know that force #F# acting on a body of mass #m# produces (linear) acceleration #a# according to:
#F=ma#
In the same way a net torque #tau# acting on a body of moment of inertia #I# causes it to undergo the angular acceleration #alpha# as:
#tau=Ialpha#

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