Motion of Objects, Velocity and Acceleration NDA Questions

NDA Physics

Motion of Objects, Velocity and Acceleration MCQ Questions


1.
What is the SI unit of speed?
A.
Meter
B.
Meter per second
C.
Meter per second squared
D.
Kilometer per hour
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ANSWER :
B. Meter per second
2.
Which of the following is a vector quantity?
A.
Speed
B.
Distance
C.
Time
D.
Velocity
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ANSWER :
D. Velocity
3.
What is the formula for average speed?
A.
Speed = Distance/time
B.
Speed=Time/Distance
C.
Speed=Distance*Time
D.
Speed=Distance+Time
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ANSWER :
A. Speed = Distance/time
4.
What is the acceleration of an object if its velocity changes from 20 m/s to 50 m/s in 5 seconds?
A.
2 m/sĀ²
B.
6 m/sĀ²
C.
10 m/sĀ²
D.
6 m/s
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ANSWER :
C. 10 m/sĀ²
5.
What type of motion is exhibited by a freely falling object near the Earth's surface?
A.
Uniform motion
B.
Circular motion
C.
Linear motion
D.
Accelerated motion
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ANSWER :
D. Accelerated motion
6.
Which of the following statements about velocity and speed is true?
A.
Velocity is a scalar quantity, while speed is a vector quantity
B.
Velocity is a vector quantity, while speed is a scalar quantity
C.
Velocity and speed are both scalar quantities
D.
Velocity and speed are both vector quantities
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ANSWER :
B. Velocity is a vector quantity, while speed is a scalar quantity