Motion Class 9 MCQs help students practice one of the most important Physics chapters in CBSE Board Class 9 Science. This chapter explains how objects move and how their motion can be measured using concepts like distance, displacement, speed, velocity, and acceleration. Students also learn how to solve numerical questions and interpret motion using graphs and equations.
Many students understand the basic theory of motion but get confused while solving calculation-based and graph-related questions. Small mistakes in formulas, unit conversion, or sign convention often lead to incorrect answers in exams. That is why regular practice of Motion Class 9 MCQs becomes important for improving conceptual understanding and numerical accuracy.
These MCQs are prepared according to the latest CBSE and NCERT syllabus. The questions help students strengthen Physics fundamentals, improve problem-solving speed, and prepare more confidently for school exams, periodic tests, and final assessments.
Important Concepts Covered in Motion Class 9 MCQs
These Motion Class 9 MCQs cover all major concepts from Chapter 7 of Class 9 Science.
- Motion
- Distance and displacement
- Speed and velocity
- Uniform motion
- Non-uniform motion
- Acceleration
- Equations of motion
- Average speed
- Scalar and vector quantities
- Distance-time graph
- Velocity-time graph
- Graphical representation of motion
- SI units related to motion
- Numerical problems based on formulas
Some questions are formula-based while others test conceptual understanding and graph interpretation.
Important Topics Asked in Motion MCQs
Certain topics from this chapter are asked more frequently in objective questions and school examinations.
- Numerical questions based on equations of motion
- Difference between distance and displacement
- Speed and velocity comparison questions
- Graph interpretation from distance-time graphs
- Acceleration-based numerical problems
- Uniform and non-uniform motion examples
- Unit conversion questions in Physics
- Scalar and vector quantity identification
Students who practice these topics regularly usually perform better in Motion Class 9 MCQs during exams.
Class 9 Science Chapter 7 MCQs with Answers
Q. Which of the following is a vector quantity?
A) Speed
B) Distance
C) Displacement
D) Time
Answer: C
Explanation: Displacement has both magnitude and direction.
Q. A car travels 100 km east and then 100 km west. What is its displacement?
A) 200 km
B) 100 km
C) 50 km
D) 0 km
Answer: D
Explanation: Final position is the same as the starting point.
Q. What does the slope of a distance-time graph represent?
A) Velocity
B) Speed
C) Acceleration
D) Displacement
Answer: B
Explanation: The slope of a distance-time graph gives speed.
Q. Which quantity is always scalar?
A) Velocity
B) Displacement
C) Speed
D) Acceleration
Answer: C
Explanation: Speed has only magnitude.
Q. SI unit of acceleration is:
A) m/s
B) m/s²
C) km/h
D) N
Answer: B
Explanation: Acceleration is change in velocity per second.
Q. A body moving with constant speed in a circular path has:
A) Zero acceleration
B) Constant velocity
C) Changing velocity
D) Zero displacement
Answer: C
Explanation: Direction changes continuously in circular motion.
Q. Which equation represents the first equation of motion?
A) v = u + at
B) s = ut + ½at²
C) v² = u² + 2as
D) s = vt
Answer: A
Explanation: It relates final velocity, initial velocity, acceleration, and time.
Q. If acceleration is zero, velocity will be:
A) Increasing
B) Decreasing
C) Constant
D) Zero
Answer: C
Explanation: Zero acceleration means no change in velocity.
Q. The area under a velocity-time graph gives:
A) Speed
B) Acceleration
C) Distance
D) Displacement
Answer: D
Explanation: Area under velocity-time graph represents displacement.
Q. A car accelerates from 10 m/s to 20 m/s in 5 seconds. Find acceleration.
A) 1 m/s²
B) 2 m/s²
C) 3 m/s²
D) 4 m/s²
Answer: B
Explanation: Acceleration = (20 − 10)/5 = 2 m/s².
Q. Which of the following is an example of uniform motion?
A) Falling apple
B) Moving train with changing speed
C) Car moving at constant speed on a straight road
D) Rotating fan
Answer: C
Explanation: Uniform motion means equal distances in equal intervals.
Q. A body starts from rest. Its initial velocity is:
A) 1 m/s
B) Zero
C) Infinite
D) Negative
Answer: B
Explanation: Rest means initial velocity is zero.
Q. Velocity is defined as:
A) Distance travelled per unit time
B) Change in speed
C) Displacement per unit time
D) Force per unit mass
Answer: C
Explanation: Velocity depends on displacement and direction.
Q. What is the SI unit of speed?
A) km/h
B) m/s
C) m/s²
D) cm/s²
Answer: B
Explanation: SI unit of speed is metre per second.
Q. A freely falling object experiences:
A) Zero acceleration
B) Constant acceleration
C) Variable acceleration
D) Constant velocity
Answer: B
Explanation: Gravity provides constant acceleration.
Q. Which graph represents an object at rest?
A) Horizontal line on distance-time graph
B) Sloping line on distance-time graph
C) Curved line on velocity-time graph
D) Vertical line on distance-time graph
Answer: A
Explanation: Distance does not change with time.
Q. A body covers equal distances in equal intervals of time. This motion is called:
A) Accelerated motion
B) Uniform motion
C) Circular motion
D) Random motion
Answer: B
Explanation: Uniform motion has constant speed.
Q. What is the acceleration due to gravity on Earth?
A) 5 m/s²
B) 8 m/s²
C) 9.8 m/s²
D) 15 m/s
Answer: C
Explanation: Standard gravitational acceleration is 9.8 m/s².
Q. A train moving at 72 km/h has speed in m/s equal to:
A) 10 m/s
B) 15 m/s
C) 20 m/s
D) 25 m/s
Answer: C
Explanation: 72 × 5/18 = 20 m/s.
Q. Which quantity has both magnitude and direction?
A) Time
B) Distance
C) Speed
D) Velocity
Answer: D
Explanation: Velocity is a vector quantity.
Q. The motion of the tip of the second hand of a clock is:
A) Linear motion
B) Random motion
C) Circular motion
D) Oscillatory motion
Answer: C
Explanation: The second hand moves in a circular path.
Q. What happens to displacement after completing one full circle?
A) Equal to radius
B) Equal to circumference
C) Zero
D) Infinite
Answer: C
Explanation: Initial and final positions become same.
Q. The slope of a velocity-time graph gives:
A) Speed
B) Distance
C) Acceleration
D) Displacement
Answer: C
Explanation: Change in velocity with time gives acceleration.
Q. Which of the following is not a unit of speed?
A) m/s
B) km/h
C) cm/s
D) m/s²
Answer: D
Explanation: m/s² is the unit of acceleration.
Q. An object thrown vertically upward has velocity at highest point equal to:
A) Maximum
B) Minimum but non-zero
C) Zero
D) Infinite
Answer: C
Explanation: The object stops momentarily at highest point.
Q. If velocity and acceleration are in opposite directions, the body is:
A) Speeding up
B) Slowing down
C) At rest
D) In uniform motion
Answer: B
Explanation: Opposite acceleration decreases speed.
Q. What is the average speed formula?
A) Total displacement ÷ Total time
B) Total distance ÷ Total time
C) Velocity × Time
D) Distance × Time
Answer: B
Explanation: Average speed is total distance divided by total time.
Q. Which of the following is an example of non-uniform motion?
A) Car moving at constant speed
B) Train accelerating from station
C) Earth rotating uniformly
D) Clock pendulum
Answer: B
Explanation: Speed changes during acceleration.
Q. A body accelerates uniformly from rest at 2 m/s² for 5 s. Final velocity will be:
A) 5 m/s
B) 10 m/s
C) 15 m/s
D) 20 m/s
Answer: B
Explanation: v = u + at = 0 + (2 × 5) = 10 m/s.
Q. What is the displacement of a particle after moving half a circle of radius r?
A) r
B) πr
C) 2r
D) 2πr
Answer: C
Explanation: Displacement equals diameter after half revolution.
Instructions for Students Before Solving the MCQs
- Revise important formulas carefully before attempting numerical questions.
- Read all units properly during calculations.
- Do not confuse speed with velocity in conceptual questions.
- Practice graph-based questions regularly because they are commonly asked in exams.
- Check sign conventions carefully in displacement questions.
- Avoid solving numerical questions too quickly without calculation verification.
- Re-attempt incorrect questions after revision for better understanding.
Sometimes students know the formula correctly but still make mistakes because of calculation hurry or unit confusion.
Common Mistakes Students Make in Motion MCQs
Many students lose marks in Physics MCQs because of small conceptual or numerical mistakes. Some common errors are listed below.
- Confusing distance with displacement
- Mixing speed and velocity concepts
- Using incorrect equations of motion
- Forgetting SI units during calculations
- Mistakes in graph interpretation
- Sign errors in displacement questions
- Wrong calculation of average speed
- Selecting options without verifying numerical values properly
Most mistakes happen when students memorise formulas but do not understand their actual application.
Why Practice Motion Class 9 MCQs?
Practicing Motion Class 9 MCQs helps students improve numerical accuracy, formula understanding, and conceptual clarity. Since this chapter includes both theory and calculations, regular MCQ practice becomes important for balanced exam preparation.
- These objective questions help students:
- Improve problem-solving speed
- Understand formulas more clearly
- Strengthen graph interpretation skills
- Prepare for school exams and tests
- Build confidence in Physics numericals
Regular revision with MCQs also helps students identify weak areas more effectively.
Conclusion
Practicing Motion Class 9 MCQs regularly helps students strengthen their understanding of formulas, graphs, and numerical concepts related to motion. These objective questions improve conceptual clarity, reduce calculation mistakes, and support better preparation for Class 9 Science examinations.