EASY
9th CBSE
IMPORTANT
Earn 100

 Give an example of non-uniform motion.

Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 9
Show that average speed of a body cannot be zero but the average velocity of the body can be zero.
MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 10
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
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 11
What type of motion is represented by each of the following graphs? (Uniform or nonuniform)

 

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EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 12
The velocity of a bus is 18 m/s. Express this in km/h.
EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 13
A superfast train is moving at a speed of 180 km/h. The distance covered by the train in 5 seconds is :
MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 14
A car travels a certain distance with a speed of 50 km/h  and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.
MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 15
Usha swims in a 90 m long pool. She covers 180 m in one minute by swimming from one end to the other and back along the same straight path. Find the average speed and average velocity of Usha.           
EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 1 - Motion>TEST YOURSELF>Q 1
Define acceleration.