Table of Contents

**Motion Class 9 MCQ:** Class 9 Physics **MCQs** for Chapter 8 Motion can be found online, along with their answers. These questions follow the latest exam pattern, **CBSE syllabus**, and NCERT guidelines. Practicing these multiple-choice questions will help students improve their problem-solving abilities and achieve high scores in board exams.

## Class 9 HOTS Course

The Class 9 HOTS Course enhances critical thinking and problem-solving skills through engaging activities and advanced learning techniques, ensuring academic excellence.

## Motion Class 9 MCQ Science

**Question: What is motion?**

a) The change of position of an object with time

b) The color change of an object

c) The size change of an object

d) The shape change of an object

Answer: a) The change of position of an object with time

**Question: Which of the following is the unit of speed?**

a) m/s

b) kg/m

c) m/s²

d) m³/s

Answer: a) m/s

**Question: What does uniform motion mean?**

a) Changing speed

b) Changing direction

c) Constant speed

d) Constant acceleration

Answer: c) Constant speed

**Question: What is the formula for speed?**

a) Speed = Distance × Time

b) Speed = Distance / Time

c) Speed = Time / Distance

d) Speed = Distance + Time

Answer: b) Speed = Distance / Time

**Question: What is the unit of distance?**

a) Second

b) Meter

c) Kilogram

d) Newton

Answer: b) Meter

**Question: If an object moves 100 meters in 20 seconds, what is its speed?**

a) 5 m/s

b) 2 m/s

c) 10 m/s

d) 20 m/s

Answer: a) 5 m/s

**Question: What is velocity?**

a) Speed in a particular direction

b) Speed in all directions

c) Speed without direction

d) Distance per unit time

Answer: a) Speed in a particular direction

**Question: Which of the following is a vector quantity?**

a) Speed

b) Distance

c) Velocity

d) Mass

Answer: c) Velocity

**Question: What is acceleration?**

a) Change in speed

b) Change in velocity

c) Change in direction

d) Change in distance

Answer: b) Change in velocity

**Question: Which of the following is the unit of acceleration?**

a) m/s

b) m/s²

c) m

d) m²/s

Answer: b) m/s²

**Question: If an object accelerates from 0 to 20 m/s in 5 seconds, what is its acceleration?**

a) 4 m/s²

b) 5 m/s²

c) 6 m/s²

d) 3 m/s²

Answer: a) 4 m/s²

**Question: What does the slope of a distance-time graph represent?**

a) Speed

b) Distance

c) Time

d) Acceleration

Answer: a) Speed

**Question: What does the slope of a velocity-time graph represent?**

a) Speed

b) Distance

c) Acceleration

d) Time

Answer: c) Acceleration

**Question: What is the acceleration of an object moving at constant velocity?**

a) Zero

b) Positive

c) Negative

d) Infinity

Answer: a) Zero

**Question: If a car is traveling at 30 m/s and comes to a stop in 10 seconds, what is its acceleration?**

a) -3 m/s²

b) -5 m/s²

c) -10 m/s²

d) -2 m/s²

Answer: b) -3 m/s²

**Question: What is the unit of displacement?**

a) Second

b) Meter

c) Kilogram

d) Newton

Answer: b) Meter

**Question: What is the difference between speed and velocity?**

a) Speed is a scalar, velocity is a vector

b) Speed is a vector, velocity is a scalar

c) Speed includes direction, velocity does not

d) There is no difference

Answer: a) Speed is a scalar, velocity is a vector

**Question: If an object covers equal distances in equal intervals of time, it is said to be in __________.**

a) Non-uniform motion

b) Uniform motion

c) Accelerated motion

d) Circular motion

Answer: b) Uniform motion

**Question: What is the formula for acceleration?**

a) Acceleration = Velocity / Time

b) Acceleration = Time / Velocity

c) Acceleration = Change in velocity / Time

d) Acceleration = Distance / Time

Answer: c) Acceleration = Change in velocity / Time

**Question: What does a horizontal line on a distance-time graph indicate?**

a) Constant speed

b) Increasing speed

c) Stationary object

d) Decreasing speed

Answer: c) Stationary object

**Question: If an object is moving with uniform velocity, what will its acceleration be?**

a) Zero

b) Positive

c) Negative

d) Variable

Answer: a) Zero

**Question: Which physical quantity is described by the area under the velocity-time graph?**

a) Speed

b) Acceleration

c) Distance

d) Displacement

Answer: d) Displacement

**Question: What does a steep slope on a distance-time graph indicate?**

a) Slow speed

b) Fast speed

c) No motion

d) Uniform motion

Answer: b) Fast speed

**Question: If a cyclist is moving at a constant speed of 10 m/s, how far will they travel in 5 seconds?**

a) 50 m

b) 100 m

c) 10 m

d) 5 m

Answer: a) 50 m

**Question: What kind of motion is described by an object moving in a circular path at constant speed?**

a) Uniform motion

b) Non-uniform motion

c) Uniform circular motion

d) Non-uniform circular motion

Answer: c) Uniform circular motion

**Question: What is displacement?**

a) Total path length traveled

b) Change in position of an object

c) Time taken to cover a distance

d) Speed in a particular direction

Answer: b) Change in position of an object

**Question: Which quantity is described by both magnitude and direction?**

a) Speed

b) Distance

c) Scalar

d) Vector

Answer: d) Vector

**Question: A car accelerates from rest to 60 km/h in 10 seconds. What is its average acceleration?**

a) 6 km/h²

b) 10 km/h²

c) 3 km/h²

d) 60 km/h²

Answer: c) 3 km/h²

**Question: What is the unit of velocity?**

a) m/s²

b) m/s

c) km

d) s/m

Answer: b) m/s

**Question: Which of the following represents non-uniform motion?**

a) Constant speed

b) Increasing speed

c) Decreasing speed

d) Both b and c

Answer: d) Both b and c

**Question: If a train travels 120 km in 2 hours, what is its average speed?**

a) 60 km/h

b) 120 km/h

c) 240 km/h

d) 30 km/h

Answer: a) 60 km/h

**Question: What does a curved line on a distance-time graph indicate?**

a) Uniform motion

b) Non-uniform motion

c) No motion

d) Constant speed

Answer: b) Non-uniform motion

**Question: An object covers 80 meters in 4 seconds. What is its speed?**

a) 10 m/s

b) 20 m/s

c) 40 m/s

d) 5 m/s

Answer: a) 20 m/s

**Question: Which of the following is not a unit of speed?**

a) m/s

b) km/h

c) m/s²

d) m/min

Answer: c) m/s²

**Question: If an object is decelerating, what will be the sign of its acceleration?**

a) Positive

b) Negative

c) Zero

d) Variable

Answer: b) Negative

**Question: Which physical quantity can be zero even when an object is moving?**

a) Speed

b) Distance

c) Displacement

d) Velocity

Answer: c) Displacement

**Question: What is the initial velocity of an object starting from rest?**

a) 1 m/s

b) 5 m/s

c) 0 m/s

d) 10 m/s

Answer: c) 0 m/s

**Question: Which term describes the total length of the path traveled by an object?**

a) Speed

b) Displacement

c) Distance

d) Velocity

Answer: c) Distance

**Question: What does the term ‘deceleration’ mean?**

a) Increase in speed

b) Decrease in speed

c) Constant speed

d) Zero speed

Answer: b) Decrease in speed

**Question: In which type of motion is the speed constant but direction changes?**

a) Linear motion

b) Uniform motion

c) Circular motion

d) Non-uniform motion

Answer: c) Circular motion

**Question: An object travels 15 meters north and then 20 meters south. What is its displacement?**

a) 5 meters

b) 35 meters

c) 15 meters

d) 20 meters

Answer: a) 5 meters

**Question: If a car’s speedometer reads a constant speed, what kind of motion is it in?**

a) Non-uniform motion

b) Accelerated motion

c) Uniform motion

d) Stationary

Answer: c) Uniform motion

**Question: A ball is thrown upwards and then comes down. What is the direction of its acceleration?**

a) Upwards

b) Downwards

c) Horizontal

d) None of the above

Answer: b) Downwards

**Question: Which of the following is a scalar quantity?**

a) Velocity

b) Displacement

c) Acceleration

d) Speed

Answer: d) Speed

**Question: If an object moves with a constant speed in a straight line, what is its acceleration?**

a) Zero

b) Positive

c) Negative

d) Constant

Answer: a) Zero

**Question: Which of the following graphs shows an object moving with uniform acceleration?**

a) A straight line in distance-time graph

b) A curved line in distance-time graph

c) A straight line in velocity-time graph

d) A horizontal line in velocity-time graph

Answer: c) A straight line in velocity-time graph

**Question: If an object is slowing down, what kind of acceleration does it have?**

a) Positive acceleration

b) Negative acceleration

c) Zero acceleration

d) Infinite acceleration

Answer: b) Negative acceleration

**Question: A car travels 60 km north and then 80 km east. What is the total distance covered?**

a) 20 km

b) 140 km

c) 60 km

d) 80 km

Answer: b) 140 km

**Question: What is the term for the rate of change of displacement?**

a) Speed

b) Velocity

c) Acceleration

d) Distance

Answer: b) Velocity

**Question: Which factor does not affect the motion of an object?**

a) Speed

b) Mass

c) Color

d) Direction

Answer: c) Color