Question


`omega` rad/sec is the angular velocity of a crank whose radius is r. If it makes`theta^circ` with inner dead centre and obliquity of the connecting rod l is`varphi`, the velocity v of the piston, is given by the equation



Options:
A .  `omega`2(l cos `varphi`+ r sin `varphi` tan `theta`)
B .  `omega`2(l sin `varphi` + r cos `varphi`tan `theta`)
C .  `omega`(l sin `varphi`+ r cos `varphi` tan `theta`)
D .  `omega`2(l sin `varphi` - r cos `theta` tan `varphi`).
Answer: Option C


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