The tractive force in a locomotive with two cylinders is given by (where c = Fra

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The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, $$\omega $$ = Angular speed of crank, r = Radius of crank and $$\theta $$ = Angle of inclination of crank to the line of stroke)

Options:

A . $${\text{m}}{\omega ^2}{\text{r}}\cos \theta $$

B . $${\text{cm}}{\omega ^2}{\text{r}}\sin \theta $$

C . $$\left( {1 - {\text{c}}} \right){\text{m}}{\omega ^2}{\text{r}}\left( {\cos \theta - \sin \theta } \right)$$

D . $${\text{m}}{\omega ^2}{\text{r}}\left( {\cos \theta - \sin \theta } \right)$$

Answer: Option C

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