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What is Gravity? Explain it with best Examples

Gravity is the attractive force which has all objects toward each others. One of the best example is stone which is hand fall from the earth to ground. The earth attract or love  the stones and it is pulled toward the earth. Another best example is a car being driven up a hilly area where a hood part of the engine power is being used to overcome the gravity. And raise the car against the gravitational attraction. As like as when a car can cost down a hill with the engine off cause of the gravitational attraction of the earth on the car. It is measure gravitational attraction with terms of weight. It has been fixed a object such as a scale where its weight is 12 pounds. Its mean that the object has enough mass for the earth to register that much pull on it.  It is gravitational love  or the pull of the earth that give san object its weight.