Review Newton's Third Law of Motion and let us know what you think.
http://www.physicsclassroom.com/class/newtlaws/u2l4a.cfm
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
4 answers
20N
20 Newtons
20N