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If a(r) and a(t) represent radial and ta...

If `a_(r)` and `a_(t)` represent radial and tangential accelerations, the motion of a particle will be uniformly circular if

A

`a_(r) =0` and `a_(t) = 0`

B

`a_(r) = 0` but `a_(t) ne 0`

C

`a_(r) ne 0` but `a_(r) =0`

D

`a_(r) ne 0` and `a_(t) ne 0`

Text Solution

Verified by Experts

The correct Answer is:
C
`a_(t) = (dv)/(dt)` and `a_(r) = v^(2)/r`
For uniform circular motion i.e. v = constant `a_(i) = 0`
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