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Question

A body can have a constant speed and still have varying velocities.


A
True
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B
False
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Solution

The correct option is A True

1. Speed is a measure of the magnitude of distance traveled per unit of time by a body.

2. Velocity, on the other hand, is a measure of the magnitude of the distance per unit of time traveled by a body as well as the direction in which the body is traveling.

3. A very common example is Uniform Circular Motion.

4. Like, a car moving at a constant speed on a circular path. Even though the car moves at a constant speed, the direction of velocity is constantly changing. Hence, at any two successive moments, the velocity is unequal even if the speed is constant.

5. Here, the speed is constant, but the direction of the car is changing continuously. As we know, velocity is a vector quantity, so as the direction of motion changes, velocity also changes.

Therefore,

A body can have a constant speed and still have varying velocities.

Hence, the given statement is true.


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