state newton second law of motion.write its mathematical expression. explain how can we obtain first law of motion from it?
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Answer:
Newton's second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass. In equation form, Newton's second law of motion is a=Fnetm a = F net m .
Newton's second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass.
In equation form, Newton's second law of motion is a=Fnetm a = F net m .
Newton's First Law of Motion states that a body will stay at rest or continue its path with constant velocity unless an external force acts upon it. ... By definition, then, there is constant velocity (possibly constant zero velocity). Thus, it seems that Newton's Second Law of Motion leads to the First Law.