For circular motion, if ${\vec a_t},\,{\vec a_c},\,\vec r$ and $\vec v$ are tangential acceleration, centripetal acceleration, radius vector and velocitym respectively, then find the wrong relation
For circular motion, if ${\vec a_t},\,{\vec a_c},\,\vec r$ and $\vec v$ are tangential acceleration, centripetal acceleration, radius vector and velocitym respectively, then find the wrong relation
- A
${\vec a_t}.{\vec a_c} = 0$
- B
${\vec a_t}.\vec v$ may be positive or negative
- C
${\vec a_c}.\vec v$ may be positive or negative
- D
${\vec a_c}.\vec v = 0$
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