EASY
9th CBSE
IMPORTANT
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What is the formula for average speed?

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
Is it possible that average speed is zero but its average velocity is not zero?
MEDIUM
9th CBSE
IMPORTANT
When is a body said to have (a) uniform velocity, (b) uniform speed, (c) variable speed, and (d) variable velocity?
MEDIUM
9th CBSE
IMPORTANT
What do you mean by uniform motion?
EASY
9th CBSE
IMPORTANT
 Give an example of non-uniform motion.
MEDIUM
9th CBSE
IMPORTANT
Show that average speed of a body cannot be zero but the average velocity of the body can be zero.
MEDIUM
9th CBSE
IMPORTANT
Give differences between: (a) Uniform and non-uniform motion (b) Uniform speed and non-uniform speed (c) Speed and average speed.
MEDIUM
9th CBSE
IMPORTANT
What type of motion is represented by each of the following graphs? (Uniform or nonuniform)

 

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EASY
9th CBSE
IMPORTANT
The velocity of a bus is 18 m/s. Express this in km/h.