Unformatted text preview: ball rush down to the Earth. But according to Newton’s 3 rd law, the ball exerts just as big a force on the Earth as the Earth exerts on the ball. That can’t be right! The Earth doesn’t “rush up” to meet the ball. This goes to show that the Earth exerts a bigger force on the ball than the ball exerts on the Earth. So, Newton’s 3 rd law isn’t true for gravity. How would you respond to the student?...
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 Spring '10
 Shawhan
 Physics, Force, Gravity, Work, General Relativity, I. Newton

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