First slide

Circular motion

Question

A body is moving in a circular path with a constant speed. It has

Moderate

A

A constant velocity
B

A constant acceleration
C

An acceleration of constant magnitude
D

An acceleration which varies with time in magnitude

Solution

$a_{c} = \frac{v^{2}}{r} \to$ Constant in magnitude if v is constant.Direction of $a_{c}$ is radially inward and constantly changing its direction .

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