Define average velocity.

Important Questions on Motion

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 15

What is the SI unit of acceleration and retardation?

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 16

Define acceleration of a body.

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 17

What is the acceleration of a body moving with uniform velocity?

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 18

What does negative acceleration mean?

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 19

What type of motion is exhibited by a freely falling body?

EASY

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 1

What is displacement? Is displacement a scalar or a vector quantity?

MEDIUM

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 2

What is the difference between ‘distance travelled’ by a body and its ‘displacement’? Explain with the help of a diagram.

MEDIUM

9th CBSE

IMPORTANT

Physics For Class 9>Chapter 1 - Motion>Exercise>Q 3

How will you show that the displacement of a body can be zero but the distance can never be zero?