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1. An object is said to be in motion when
A. Its mass changes with time
B. Its position changes with time
C. It changes its shape
D. It vibrates continuously
2. An object is said to be at rest when
A. It changes its position
B. It changes direction
C. It does not change its position with time
D. It moves uniformly
3. The walls of your classroom are considered to be
A. In motion
B. At rest
C. Vibrating
D. Accelerated
4. For passengers inside a moving bus, fellow passengers appear
A. Moving backward
B. Moving forward
C. At rest
D. Accelerating
5. For a person standing on the roadside, the passengers in a moving bus appear
A. At rest
B. Moving with the bus
C. Stationary
D. Vibrating
6. The motion of air is inferred by observing
A. Its color
B. The movement of dust and leaves
C. The sound it makes
D. Its smell
7. The motion of the earth causes
A. Earthquakes
B. Sunrise and sunset
C. Lightning
D. Wind
8. Motion is always described with respect to
A. Mass
B. Energy
C. Reference point
D. Time
9. A school is said to be 2 km north of a railway station.Here the railway station acts as
A. The object
B. The reference point
C. The midpoint
D. The observer
10. The motion of planets around the sun is an example of
A. Random motion
B. Vibratory motion
C. Circular motion
D. Linear motion
11. Motion can be
A. Only linear
B. Only circular
C. Only vibratory
D. Of many types like linear, circular, or vibratory
12. A passenger inside a train at rest finds another train moving.This is due to
A. Relative motion
B. Vibrations
C. Actual motion of both trains
D. Magnetic effect
13. The earth appears stationary to us because
A. It does not move
B. We move along with it
C. It rotates very fast
D. It is too large
14. When an object appears to move backward as you move forward, it indicates
A. Real motion of both
B. Relative motion
C. Accelerated motion
D. Circular motion
15. Which of the following statements is true about motion?
A. Motion is absolute
B. Motion is relative
C. Motion is constant
D. Motion is uniform for all
16. A tree appears to move backward when seen from a moving car because
A. The tree is moving
B. The car is moving
C. The car is stationary
D. The wind is blowing
17. Which of the following involves motion?
A. Book lying on a table
B. Clock hanging on wall
C. Blood flowing through veins
D. Pen kept in a box
18. What kind of motion do atoms and molecules exhibit?
A. No motion
B. Vibratory motion
C. Random motion
D. Circular motion
19. A person sitting inside a car sees the roadside trees moving backward.This is due to
A. Actual motion of trees
B. Relative motion with respect to the moving car
C. Optical illusion
D. Wind effect
20. The motion of the earth around the sun is
A. At rest
B. Rotational motion
C. Uniform circular motion
D. Vibratory motion
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