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Which of the following is true for displacement?
(a) It cannot be zero.
(b) Its magnitude is greater than the distance travelled by the object.
What is uniform circular motion? How is uniform circular motion regarded as an acceleration motion? Explain.
Are motion and rest absolute or relative? Explain with an example.
Distinguish between speed and velocity.
What is meant by scalars and vectors?
Distinguish between uniform motion and non-uniform motion.
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
What do you mean by a body in rest?
Distinguish between distance and displacement.
What does the odometer of an automobile measure?
Distinguish speed at any instant and average speed.
Write down the SI unit of the following quantities:
(a) Displacement
(b) Speed
(c) Velocity
(d) Acceleration
What does the path of an object look like when it is in uniform motion?