Definitions [6]
A train or a moving vehicle on a road may travel in a straight line or in the same direction. This motion of an object is called linear motion. An object in linear motion shows displacement along a straight line."
"The motion of an object that does not move in a straight line is called ‘non-linear motion’."
Define Speed.
The distance covered by a body in a unit time is called its speed. It is also defined as the rate of change position of a body in any direction.
Speed = distance/time
Define speed Mention its formula and unit.
Speed is the rate of change of distance.
Formula: Speed = distance /time
Unit is meter/second (m/s)
The weight of an object is defined as the force with which the earth attracts the object.
Mass is the amount of matter present in the object. The SI unit of mass is kg.
