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6.System of Particles and Rotational Motion
medium
ઓટોમોબાઈલ એન્જિનમાં $ 6000\ rpm$ એ $ 200\ hp$ પાવર મળે છે તેને અનુરૂપ ટોર્ક ......... $N.m$ થશે.
A
$200$
B
$150.20$
C
$237.5$
D
$300$
Solution
$ P\,\, = \,\,200\,hp\,\, = \,\,200\,hp\,\, \times \,\,\frac{{746\,W}}{{1\,hp}}\,\,$
$= \,\,1.49\,\, \times \,\,{10^5}\,W $
$ \omega \,\, = \,\,6000\,\,rev/mim\,\, $
$= \,\,\,6000\,\, \times \,\,\frac{{2\pi }}{{60}}\,\,$
$= \,\,628\,\,rad/s$
$ \tau \,\, = \,\,\,\frac{P}{\omega }\,\, = \,\,\frac{{1.49\,\, \times \,\,{{10}^5}}}{{628}}\,\,$
$= \,\,\,237.\,5\,\,N.\,m $
Standard 11
Physics
