Doubts and Amendments to Newton's Third Law
Abstract
This article first raises the doubts that scholars have about Newton’s third law, particularly pointed out Newton did not clarify the perspectives of "action" and "reaction" in the third law; do these two words really mean "force" and whether the object in "action" or "reaction" will move. The main purpose of this article is to rectify the third law, and then apply the rectified third law to explain three common cases in physics with the help of free body diagram.
Full Text: PDF DOI: 10.15640/ijpa.v9n2a1
Abstract
This article first raises the doubts that scholars have about Newton’s third law, particularly pointed out Newton did not clarify the perspectives of "action" and "reaction" in the third law; do these two words really mean "force" and whether the object in "action" or "reaction" will move. The main purpose of this article is to rectify the third law, and then apply the rectified third law to explain three common cases in physics with the help of free body diagram.
Full Text: PDF DOI: 10.15640/ijpa.v9n2a1
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