Multiple-choice questions (MCQs) on the topic of "Motion" for Class 9:
1. Which of the following is the correct equation for average speed?
a) Speed = Distance × Time
b) Speed = Time / Distance
c) Speed = Distance / Time
d) Speed = Time × Distance
2. An object is moving in a straight line with a constant speed. Which of the following statements is correct?
a) The object is not accelerating.
b) The object is accelerating.
c) The object's speed is decreasing.
d) The object's speed is increasing.
3. The area under a speed-time graph represents:
a) Displacement
b) Acceleration
c) Distance traveled
d) Velocity
4. Which of the following units is used to measure speed?
a) Meter per second (m/s)
b) Newton (N)
c) Kilogram (kg)
d) Joule (J)
5. An object is moving with a uniform speed of 10 m/s. How much time will it take to cover a distance of 100 meters?
a) 10 seconds
b) 50 seconds
c) 100 seconds
d) 5 seconds
6. What is the acceleration of an object at rest?
a) 0 m/s²
b) 1 m/s²
c) 9.8 m/s²
d) 10 m/s²
7. The SI unit of acceleration is:
a) Meter per second (m/s)
b) Newton (N)
c) Kilogram (kg)
d) Meter per second squared (m/s²)
8. The total distance covered by an object in a certain time period is called:
a) Speed
b) Displacement
c) Velocity
d) Distance
9. Which of the following is an example of uniform circular motion?
a) A car accelerating on a straight road
b) A ball thrown vertically upward
c) A satellite orbiting the Earth
d) A boat moving in a river
10. The area under an acceleration-time graph represents:
a) Distance
b) Velocity
c) Displacement
d) Change in velocity
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