Motion of Objects, Velocity and Acceleration NDA Questions

NDA Physics

Motion of Objects, Velocity and Acceleration MCQ Questions


13.
What is the acceleration of an object if its velocity changes from 20 m/s to 40 m/s in 5 seconds?
A.
4 m/sĀ²
B.
5 m/sĀ²
C.
10 m/sĀ²
D.
20 m/sĀ²
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ANSWER :
A. 4 m/sĀ²
14.
If a car travels at 60 kilometers per hour for 2 hours, how far does it travel?
A.
30 kilometers
B.
60 kilometers
C.
90 kilometers
D.
120 kilometers
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ANSWER :
D. 120 kilometers
15.
Which type of motion occurs when the speed of an object remains constant over time?
A.
Accelerated motion
B.
Uniform motion
C.
Decelerated motion
D.
Random motion
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ANSWER :
B. Uniform motion
16.
What is the formula to calculate average speed?
A.
Average speed = Total distance traveled Ɨ Total time taken
B.
Average speed = Total time taken / Total distance traveled
C.
Average speed = Total distance traveled - Total time taken
D.
Average speed = Total distance traveled / Total time taken
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ANSWER :
D. Average speed = Total distance traveled / Total time taken
17.
What is the term used to describe the change in an object's position over time?
A.
Acceleration
B.
Distance
C.
Velocity
D.
Displacement
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ANSWER :
D. Displacement
18.
Which of Newton's laws states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force?
A.
Newton's First Law of Motion
B.
Newton's Second Law of Motion
C.
Newton's Third Law of Motion
D.
Newton's Law of Universal Gravitation
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ANSWER :
A. Newton's First Law of Motion