EASY
9th CBSE
IMPORTANT
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We calculate average speed when the body is in non-uniform motion.

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Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 20
Displacement can be equal to, less than or greater than distance travelled.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 21
Velocity of a body cannot be greater in magnitude than its speed.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 22
There is no situation in the universe when velocity is zero but acceleration is non-zero.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 23
On a straight line path, speed of a body is equal to its velocity.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 27

Which of the two A or B has greater velocity in the following? Give reason for your reply.

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EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 28
Give an example of situation in which distance is equal to displacement.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 29
Give two examples of vector quantities.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 30
Define average speed.