physics

A student pulls a 60.-newton sled with a force having a magnitude of 20. newtons. What is the magnitude of the force that the sled exerts on the student

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  1. Review Newton's Third Law of Motion and let us know what you think.

    http://www.physicsclassroom.com/class/newtlaws/u2l4a.cfm

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  2. 20N

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  3. 20 Newtons

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  4. 20N

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