what is gravity???????
Answers
Explanation:
Gravity is a force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
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Gravity also called gravitation, in mechanics, the universal force of attraction acting between all matter. ...On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling object.
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Units
The gravity of earth, which is denoted by g, refers to the acceleration that the Earth imparts to objects on or near its suface.In SI units this acceleration is measured in meters per second squared (in symbol,m/s2 ) or equivalently in newtons per kilogram (N/kg).
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Importance
Gravity of Earth
Gravity is very important to us. The sun's gravity keeps Earth in orbit around it, keeping us at a comfortable distance to enjoy the sun's light and warmth. It holds down our atmosphere and the air we need to breathe. Gravity is what holds our world together.