All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 04>Q 3

EASY

9th CBSE

IMPORTANT

Earn 100

A cyclist is moving with a speed of $14 m s^{- 1}$ He starts accelerating with a rate of $6 m s^{- 2}$ and acquired the speed of $18 m s^{- 1}$ . Calculate, what distance did he move in acquiring that speed?

Important Questions on Motion

HARD

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 04>Q 4

A bus is moving with a speed

72 km / h

can be stopped by brakes after atleast

10 m

. What will be the minimum stopping distance, if the same bus is moving at a speed of

144 km / h

?

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>Check Point 04>Q 5

What do you understand by a uniform circular motion?

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 1

A bridge is

400 m

long. A

150 m

long train crosses the bridge at a speed of

50 m s^{- 1}

. Time taken by the train to cross it is _____.

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 2

When two bodies moves uniformly towards each other, then they cross each other at the speed of

10 m s^{- 1}

. If both the bodies move in the same direction, then they cross each other at the speed of

6 m s^{- 1}

. The speed of both bodies are :

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 3

If a body is moving on a circular path of radius

21 m

with velocity of

2 m s^{- 1}

, then time taken by the body to complete half revolution is :

EASY

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 4

From the given

v - t

graph (see figure), it can be inferred that the object is :
Question Image

Question Image

EASY

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 5

Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of

10 {m s}^{- 1}

. It implies that the boy is :

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 8 - Motion>CHAPTER EXERCISE>Q 6

Assertion: Distance travelled by a body may be positive, negative or zero.
Reason: Shortest distance travelled by the body between two points is called distance.