Question

Define the following.
(a) Motion (b) Rest
(c) Speed (d) Time Period
(e)One Oscillation (f) Uniform and Non- Uniform Motion

Answer 1

Ans:

(a) When a body changes its position with respect to time it is known as motion.

(b)When a body does not changes its position with respect to time is called rest.

(c)The rate of change in distance i's called speed.

(d)The time taken to complete one vibration is called time-period.

(e) To and fro or back and forth motion of a body repeatedly it's mean position is called one-oscillation.

(f) When a body cover equal distance in equal interval of time is called uniform motion.

When a body cover unequal distance in equal interval of time or equal distance in unequal interval of time is called non-uniform motion.