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  • A particle is projected from a point with a sped <img alt="\mathrm{' \mu '}" src="htt

A particle is projected from a point \mathrm{' O '} with a sped \mathrm{' \mu '} at an angle \mathrm{ ' \theta ' }to the horizontal. The torque of gravitational force on projectile about \mathrm{ ' O ' }at any time \mathrm{ t} (\mathrm{ x, y} planed is vertical)

Option: 1

\mathrm{mg(u\cos \theta t )}


Option: 2

\mathrm{mg(u\sin \theta t)}


Option: 3

\mathrm{mgu}


Option: 4

\mathrm{mg(\sin \theta t )}


Answers (1)

best_answer

Torque \mathrm{ \tau_0=m g \times x }

           \mathrm{ =m g(u \cos \theta t) }

                      

Hence option 1 is correct.


 

Posted by

avinash.dongre

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