Newtons-Third-Law-2009-11_2-1 - 1 If your weight is force...

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1.If your weight is force created by gravity on your body, and therefore is the Earth pulling you down, what is the reaction force?
2.You are standing on a log in the water at a lake. As you start to walk along the log the log starts to move backwards. As you look to the shore you realizethat you are not actually moving forwards. If you continue to walk like this, however, you will eventually run out of log and end up in the water. Explain this in terms of Newton’s Third Law.
3.If you jump off of a ledge and accelerate toward the Earth the Earth willaccelerate toward you at the same time due to Newton’s Third Law. Why don’t wesee the Earth move in this situation?
4.There is nothing in outer space for rocket exhaust gasses to push against. How then can a rocket accelerate in outer space?

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