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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)sin2theta)/(2)`

B

`"mu"^(2)costheta`

C

`"mu"^(2)sintheta`

D

`("mu"^(2)costheta)/(2)`

Text Solution

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The correct Answer is:
A
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