EASY

9th CBSE

IMPORTANT

Earn 100

State the three equations of motion. Which of them describes a velocity-time relation?

Important Questions on Motion

EASY

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 8

State the three equations of motion. Which of them describes a position-time relation?

EASY

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 9

Derive the equation

v^{2} - u^{2} = 2 a s

MEDIUM

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 1

A body moves with a velocity of

2 \frac{m}{s}

for

5 s

. Then its velocity increases uniformly to

10 \frac{m}{s}

in the next

5 s

. Thereafter its velocity begins to decrease at a uniform rate until it comes to rest after

10 s

. Plot a velocity-time graph.

MEDIUM

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 1

A body moves with a velocity of

2 \frac{m}{s}

for

5 s

. Then its velocity increases uniformly to

10 \frac{m}{s}

in the next

5 s

. Thereafter, its velocity begins to decrease at a uniform rate until it comes to rest after

10 s

. Mark the portions of the graph of uniform motion and non-uniform motion.

HARD

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 1

A body moves with a velocity of

2 \frac{m}{s}

for

5 s

. Then its velocity increases uniformly to

10 \frac{m}{s}

in the next

5 s

. Thereafter, its velocity begins to decrease at a uniform rate until it comes to rest after

10 s

. From the graph, find the total distance moved by the body in the initial

5 s

and the initial

12 s

and in the last

10 s

EASY

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 2

A sprinter in a

100 m

race covers

4 m

in the first second,

30 m

in the next

4 s

52 m

in another

4 s

and finishes the race in

10 s

. Calculate the average velocity of the sprinter. You may assume that at any given time interval, velocity is uniform.

MEDIUM

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 2

A sprinter in a

100 m

race covers

4 m

in the first second,

30 m

in the next

4 s

52 m

in another

4 s

and finishes the race in

10 s

. In which time interval, is the average velocity attained by the sprinter maximum? State this velocity in appropriate units.

MEDIUM

9th CBSE

IMPORTANT

Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 2

A sprinter in a

100 m

race covers

4 m

in the first second,

30 m

in the next

4 s

52 m

in another

4 s

and finishes the race in

10 s

. Plot the distance-time graph for the motion of the sprinter. Assume uniform velocity at all times.

State the three equations of motion. Which of them describes a velocity-time relation?

Important Questions on Motion

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