# MCQ Questions for Class 9 Science Chapter 8 Motion

Check the below NCERT MCQ Questions for Class 9 Science Chapter 8 Motion with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Motion Class 9 Science MCQs Questions with Answers to help students understand the concept very well.

You can refer to NCERT Solutions for Class 9 Science Chapter 9 Motion to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

(a) Zero
(b) πr
(c) 2r
(d) 2πr

## Q2. Suppose a boy is enjoying a ride on a marry-go-round which is moving with a constant speed of 10 m/s. It implies that the boy is:

(a) At rest
(b) Moving with no acceleration
(c) In accelerated motion
(d) Moving with uniform velocity

## Q3. Which of the following statement is correct regarding velocity and speed of a moving body?

(a) Velocity of a moving body is always higher than its speed
(b) Speed of a moving body is always higher than its velocity
(c) Speed of a moving body is its velocity in a given direction
(d) Velocity of a moving body is its speed in a given direction

Answer:(d) Velocity of a moving body is its speed in a given direction

(a) ulg
(b) u2l2g
(c) u2lg
(d) ul2g

(a) + 2 m/s2
(b) − 2 m/s2
(c) − 0.5 m/s2
(d) + 0.5 m/s2

## Q6.The numerical ratio of displacement to distance for a moving object is

(a) always less than 1
(b) always equal to 1
(c) always more than 1
(d) equal or less than 1

Answer: (d) equal or less than 1

(a) 40 m/s
(b) 25 m/s
(c) 10 m/s
(d) 250 m/s

## Q8. Which of the following is most likely not a case of uniform circular motion?

(a) Motion of the earth around the sun
(b) Motion of a toy train on a circular track
(c) Motion of a racing car on a circular track
(d) Motion of hours’ hand on the dial of a clock

Answer:(c) Motion of a racing car on a circular track

## Q9.If the displacement of an object is proportional to square of time, then the object moves with

(a) uniform velocity
(b) uniform acceleration
(c) increasing acceleration
(d) decreasing acceleration

(a) 8100 m
(b) 900 m
(c) 625 m
(d) 620 m

## Q11.Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 ms-1 It implies that the boy is

(a) at rest
(b) moving with no acceleration
(c) in accelerated motion
(d) moving with uniform velocity

## Q12. In a free fall the velocity of a stone is increasing equally ion equal intervals of time under the effect of gravitational force of the earth. Then what can you say about the motion of this stone? Whether the stone is having:

(a) Uniform acceleration
(b) Non-uniform acceleration
(c) Retardation
(d) Constant speed

(а) m2
(b) m
(c) m3
(d) ms-1

## Q14.Slope of a velocity-time graph gives

(a) the distance
(b) the displacement
(c) the acceleration
(d) the speed

## Q15.In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?

(a) If the car is moving on a straight road
(b) If the car is moving in Circular path
(c) The pendulum is moving to and fro
(d) The earth is revolving around the sun.

(a) 24 m/min
(b) 25 m/s
(c) Zero
(d) 20 m/min

## Q17.A body is projected vertically upward from the ground. Taking vertical upward direction as positive and point of projection as origin, the sign of displacement of the body from the origin when it is at height h during upward and downward journey will be

(a) Positive, positive
(b) Positive, negative
(c) Negative, negative
(d) Negative, positive

## Q18.The ratio of speed to the magnitude of velocity when the body is moving in one direction is

(a) Less than one
(b) Greater than one
(c) Equal to one
(d) Greater than or equal to one

## Q19.Which of the following situations is possible?

(a) An object can have acceleration, but constant velocity.
(b) The velocity of an object may be zero but acceleration is not zero.
(c) Distance and the magnitude of displacement are equal in circular motion.
(d) Average speed and the magnitude of average velocity are always equal in circular motion.

Answer: (b) The velocity of an object may be zero but acceleration is not zero.

## Class 9 Science Physics MCQ

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