MCQ
A particle is in uniform circular motion, then its velocity is perpendicular to
- AAll of these
- BCentripetal acceleration
- CAngular velocity
- ✓Net force
$V \perp a _{ c }$
if in uniform circular motion then only centripetal force occurs net force $=$ centripetal force
so netforce $\perp a_v$
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Statements $I$ : Astronomical unit $(Au)$. Parsec $(Pc)$ and Light year $(ly)$ are units for measuring astronomical distances.
Statements $II:$ $Au < Parsec ( Pc ) < ly$
In the light of the above statements. choose the most appropriate answer from the options given below:
$\left(g=10\, ms ^{-2}\right)$
