Chapter Exam

Chapter 7 PHYSICAL SCIENCE : Motion — Online MCQ Test

Q: The SI unit of acceleration is:

Answer: B. m/s^2 — Acceleration is defined as the rate of change of velocity, and its SI unit is meters per second squared.

Q: Which of the following is a vector quantity?

Answer: C. Displacement — Displacement is a vector quantity because it has both magnitude and direction.

Q: An object covers equal distances in equal intervals of time. This motion is called:

Answer: B. Uniform motion — By definition, uniform motion occurs when an object covers equal distances in equal time intervals.

Q: An athlete completes one round of a circular track of diameter 200m in 40s. What will be the displacement at the end of 2 minutes 20 seconds?

Answer: B. 200 m — The athlete completes 3.5 rounds. After 3.5 rounds, the athlete is at the opposite end of the circular track, i.e., at a distance equal to the diameter.

Q: A body is projected vertically upwards with a velocity 'u'. What is its velocity at the maximum height?

Answer: C. Zero — At the peak of its trajectory, the object momentarily comes to a stop before falling back down, so velocity is zero.

SCIENCE · CLASS 9th · Andhra State Board

Practice Chapter 7 PHYSICAL SCIENCE : Motion with a free chapter-wise online MCQ test for Andhra State Board CLASS 9th SCIENCE. This chapter covers: This chapter covers distance displacement velocity acceleration uniform non-uniform motion equations of motion and uniform circular motion.. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 7 PHYSICAL SCIENCE : Motion — Important Questions & Answers (FAQ)

Frequently asked questions from Andhra State Board CLASS 9th SCIENCE — Chapter 7 PHYSICAL SCIENCE : Motion, with answers and explanations. These are sample questions; the exam has its own separate question set.

The SI unit of acceleration is:

A. m/s
B. m/s^2 ✓
C. m^2/s
D. km/h

Answer: B. m/s^2
Acceleration is defined as the rate of change of velocity, and its SI unit is meters per second squared.

Which of the following is a vector quantity?

A. Distance
B. Speed
C. Displacement ✓
D. Time

Answer: C. Displacement
Displacement is a vector quantity because it has both magnitude and direction.

An object covers equal distances in equal intervals of time. This motion is called:

A. Non-uniform motion
B. Uniform motion ✓
C. Accelerated motion
D. Circular motion

Answer: B. Uniform motion
By definition, uniform motion occurs when an object covers equal distances in equal time intervals.

An athlete completes one round of a circular track of diameter 200m in 40s. What will be the displacement at the end of 2 minutes 20 seconds?

A. 0 m
B. 200 m ✓
C. 220 m
D. 100 m

Answer: B. 200 m
The athlete completes 3.5 rounds. After 3.5 rounds, the athlete is at the opposite end of the circular track, i.e., at a distance equal to the diameter.

A body is projected vertically upwards with a velocity 'u'. What is its velocity at the maximum height?