Which of the following statement is correct regarding velocity and speed of a moving body?
(a) velocity of a moving body is always higher than its speed
(b) speed of a moving body is always higher than its velocity
(c) speed of a moving body is its velocity in a given direction
(d) velocity of a moving body is its speed in a given direction.
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Answer:
(c) speed of a moving body is its velocity in a given direction
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Answer:
The velocity of a moving body is its speed in a given direction is the correct statement. Option (d) is correct.
Explanation:
- Scalar quantities have only magnitudes but there is no direction.
- The quantities which have both the direction as well as magnitude are called vector quantities.
Displacement, velocity, and acceleration are the vector quantities. Distance and speed can be termed as scalar quantities.
As speed has only the magnitude and not direction. But velocity can be represented by both direction and magnitude. Both velocity and speed can have the same magnitudes.
Hence, the velocity of a moving body is its speed in a given direction is the correct statement.
Option (d) is correct.
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