CBSE Class 9 Answered
How can you say first law is special case of second law and derive realition between forece and move
Asked by | 24 Jun, 2008, 09:50: PM
Expert Answer
Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force. It may be seen as a statement about inertia, that objects will remain in their state of motion unless a force acts to change the motion. Any change in motion involves an acceleration, and then Newton's Second Law applies; in fact, the First Law is just a special case of the Second Law for which the net external force is zero.
Answered by | 26 Jun, 2008, 02:12: PM
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