Why second law of motion known as the real law of motion?
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F = dp/dt as real law of motion because it sums up the whole theory of motion into one single equation
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☆Ransh sangwan☆
bcoz,
●the Newton’s second law is known as the real law of the motion. Let us prove it by showing that the Newton’s first law is contained in the second law.●
■Proof:--- let us take an isolated system that is system isolated or free from external forces.
From this law F = ma, where F is force, m is mass of object and a = acceleration.
As the system is isolated, thus F =0, therefore above equation becomes:
ma = 0,
but m can not be zero, thus a= 0 that is acceleration is zero of the object.
It is only possible when the object is at rest or in uniform motion and this is nothing but Newton’s first law.
It proves that the Newton’s first law is contained in the second law and thus proves that the Newton’s second law is the real law of motion.●
i hope it is helpfull for u
bcoz,
●the Newton’s second law is known as the real law of the motion. Let us prove it by showing that the Newton’s first law is contained in the second law.●
■Proof:--- let us take an isolated system that is system isolated or free from external forces.
From this law F = ma, where F is force, m is mass of object and a = acceleration.
As the system is isolated, thus F =0, therefore above equation becomes:
ma = 0,
but m can not be zero, thus a= 0 that is acceleration is zero of the object.
It is only possible when the object is at rest or in uniform motion and this is nothing but Newton’s first law.
It proves that the Newton’s first law is contained in the second law and thus proves that the Newton’s second law is the real law of motion.●
i hope it is helpfull for u
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