Motion and Transport
Category : 3rd Class
Motion and Transport
Movement of an object from one place to another is called motion. We see many things around us are in motion. Motion takes place whenever force is applied. For example, when a boy throws a ball, movement of the ball takes place due to the force exerted by the boy.
Boy exerts force to throw ball
Different Types of Motion
These are three types of motion.
If a body travels equal distance in equal interval of time then it is called uniform motion.
For example, a car travels first 30 kilometres in one hour and next 30 kilometres again in are hour and so on then we can say that car is in uniform motion.
Car moving with uniform motion
Non Uniform Motion
If a body travels unequal distance in equal interval of time then it is called non uniform motion. For example, a car travels first 30 kilometres in one hour and next 30 kilometres in half an hour then we can say that car is in non-uniform motion.
Car moving with non uniform motion
If a body travels on a circular path then it is called circular motion. For example, movements of a merry go round.
Merry go round moves in circular motion
Transport is the movement of people and goods from one place to another. It is performed by various modes such as road, rail, air, water, etc.
Means of Transport
Means of transport is divided into three categories:
(i) Land transport
(ii) Air transport
(iii) Water transport
Land transport is the most common and one of the oldest means of transport in this mode, transportation is done by road and rail.
Road transport is the transport on roads for passengers and goods. For example cart bicycle rickshaw, car, scooter, bus, etc. Most of the countries of the world have aw de network of concrete roads. Vehicles move smoothly on these roads and carry goods people from one place to another.
Rail transport is one of the cheapest and comfortable means of transport. For example train. Many countries of the world have a wide network of railways that is used to goods and passengers from one place to another place.
Air transport is the fastest means of transport. But it is also the most expensive means of transport. For example, aeroplane, helicopter, etc. you can cover thousands of kilometres in few hours by aeroplane.
The water transport is the cheapest means of transport. Most of the goods are transported to various countries by this mode. Water transport also helps us to move from one part of a country to another through inland waterways. Ship, boat, etc. are the examples of water transport.
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