D1 notes: Gravitation
Apples don"t move unless pushed. When someone makes an apple move without touching it we call it magic.On the other hand, when an apple falls to the ground without anyone touching it we call it gravity. What is gravity? Gravity is what makes the apple fall to the ground. So to answer the question we define a property of matter that answers the question! It would be neater if it was possible to explain the falling of...