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Average torque on a projectile of mass m...

Average torque on a projectile of mass `m` (initial speed `u` and angle of projection `theta`) between initial and final positions `P` and `Q` as shown in figure, about the point of projection is :
.

A

`("mu"^(2) sin 2theta )/2 `

B

` "mu"^(2) cos theta `

C

` "mu"^(2) sin theta `

D

` ("mu"^(2)cos theta )/2 `

Text Solution

Verified by Experts

The correct Answer is:
A
`tau = ` Force ` xx` perpendicular distance about the point of projection
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