# Motion MCQ Questions for Class 9 Science Chapter 8 with Answers

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## Q1. If a moving body comes to rest, then its acceleration is-

(A) positive
(B) both of these depending upon the initial velocity
(C) negative
(D) zero

## Q2. The displacement of the object in a unit time is called:

(A) speed
(B) velocity
(C) acceleration
(D) average speed

## Q3. The slope of distance – time graph gives instantaneous.

(A) acceleration
(B) speed
(C) velocity
(D) Distance covered

## Q4. 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

(A) acceleration
(B) displacement
(C) velocity
(D) distance

## 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

(A) 300m
(B) 100m
(C) 200m
(D) 350m

(A) Distance
(B) acceleration
(C) Speed
(D) Displacement

(A) 9: 25
(B) √ 3: √ 5
(C) 5 : 3
(D) √5 : √3

## Q10. The numerical ratio of displacement to distance for a moving object is :

(A) always less than 1
(B) equal to 1 or more than 1
(C) always more than 1
(D) equal to 1 or less than 1

## Q11. 180° plane angle is equal to

(D) none of these

(A) 2.5
(B) 90000
(C) 250
(D) 25

## Q13. 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

## Q14. The rate of change of velocity per second is known as:

(A) acceleration
(B) speed
(C) average velocity
(D) linear motion

## Q15. 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

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