Question

Define:- Uniform Motion and Non- Uniform Motion, Uniform Velocity and Non-Uniform Velocity. Also define speed and velocity?​

Answer 1

Answer:

The type of motion in which the object travels with uniform speed is called Uniform motion. This means that the velocity of the body remains constant as it covers equal distances in equal intervals of time. In the case of uniform rectilinear motion, the acceleration of the body will be zero.

Answer 2

Answer:

i ) Uniform motion - When a body covers equal distances in a straight line, equal intervals of time are called uniform motion. Example: a car moving at 20km/h in a straight line.

ii ) Non uniform motion - When a body covers unequal distance in equal intervals of time in a straight line is called non-uniform Example : spinning wheel.

iii ) Uniform velocity - a body has a uniform velocity of it travels in a straight line and moves over equal distances in equal intervals of time.

iv ) Non uniform velocity: -a body has a non uniform velocity if it travels unequal distance in equal intervals of time.

v ) Speed - Speed being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio.

vi ) Velocity - Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.