Define speed. What is it's S.I. unit?

Important Questions on Motion in One Dimension

MEDIUM

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 12

Distinguish between speed and velocity.

HARD

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 13

 Which quantity, speed, or velocity gives the direction of motion of a body?

HARD

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 14

When is the instantaneous speed same as the average speed ?

MEDIUM

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 15

Distinguish between uniform velocity and variable velocity.

HARD

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 16

Distinguish between average speed and average velocity.

MEDIUM

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 17

Give an example of the motion of a body moving with a constant speed, but with a variable velocity. Draw a diagram to represent such a motion.

HARD

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 18

Give an example of motion in which the average speed is not zero, but the average velocity is zero.

MEDIUM

9th ICSE

IMPORTANT

Concise Physics I.C.S.E Part I For Class 9>Chapter 2 - Motion in One Dimension>EXERCISE–2(A)>Q 19

Define acceleration. State it's S.I. unit.