Asked by Mark
A 650g ball on the end of a light rod is rotated in a horizontal circle of 1.2m radius.Calculate the torque needed to keep the ball rotating if the air resistance exerts a force of .02N on the ball. Ignore the moment of inertia and the air resistance of the rod.
Answers
Answered by
Damon
Huh?
.02*1.2
Since speed is constant, no tangential acceleration and I is not relevant and m is not relevant.
.02*1.2
Since speed is constant, no tangential acceleration and I is not relevant and m is not relevant.
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