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Mechanics

What is the difference between speed,velocity & acceleration?

  Definition of velocity in physics Velocity is defined as:”The rate of displacement of a body is called its velocity.”The velocity tells us not only the speed of a body but also the direction along which the body is moving.Velocity of a body is a vector quantity.It is equal to the displacement of a body in unit time. What is ...

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What is meant by average speed in physics?

Speed Velocity Acceleration What is meaning of speed? “The distance covered by an object in unit time is called its speed”.In other words ,the rate at which object is moving is called speed.Unit time may be a second,an hour,a day or a year.It tells us how fast or slow an object is moving .Its formula is given as: Here S ...

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List of types of renewable energy sources & examples

List of renewable sources of energy Energy from tides Energy from waves energy from sun energy from biomass energy from waste products Geothermal energy Solar energy Wind energy Heat energy light energy what are Renewable energy resources? “Renewable energy sources are those energy sources that can be regenerated quickly.”There are many sources of energy such as coal,oil and natural gas.These ...

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different forms of energy and their sources with pictures and examples

  “Energy is the ability of a body to do work.”It is  present everywhere in sunlight,water,wind,plants,animals etc..It is required for walking, reading and playing.Energy does makes things for us like makes toast,plays music etc..A good source of energy would be the one which would: Do a large amount of work per unit volume or mass. Be easily be accessible Be ...

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different forms of kinetic energy with examples

kinetic energy definition physics kinetic energy  possessed by a body due to it`s motion . It is the energy of motion . Examples of kinetic energy when you are walking or running your body is exhibiting kinetic energy . A bicycle or skateboard in motion possesses kinetic energy .Running water has kinetic energy and it is used to run water ...

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Different types of motion in physics with examples and pictures

Newton’s laws of motion Newton’s second law of motion Newton’s third law of motion Simple harmonic motion (SHM) Projectile motion equations What does motion mean? “A body is said to be in motion,if it changes its position with respect to its surroundings.” Surroundings are the places in its neighborhood where various objects are present.The state of rest or motion of ...

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