A ball waits. Nothing is holding it.
Why did it fall?
A ball waits. Nothing is holding it.
A heavy cube and a lighter ball wait at the same height.
It fell. Nothing was holding it. Why did it fall?
You can try this.
Notice
The ball did not jump down. It was pulled.
You cannot see the pull. You can see what the pull does.
The cube on the table did not fall. It is already as low as the table will let it go.
What do you predict?
A heavy cube and a lighter ball leave together. Which arrives first?
If Earth pulls the ball, does the ball pull Earth?
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