The tangential and radial accelerations of a particle are a₁ and a₂ respectively. The motion of the particle is circular if

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$a_{1} \neq 0, a_{2} \neq 0$

All the above

$a_{1} = 0, a_{2} = 0$

$a_{1} \neq 0, a_{2} = 0$

answer is A.

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Detailed Solution

For a body to move in a circular path, there must be a centripetal force. So, centripetal acceleration must not be zero.

$a_{2} \neq 0$

For uniform circular motion, tangential acceleration will be zero, and for non-uniform circular motion tangential acceleration will not be zero.

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