derivation of first law of motion??can anyone answer guys... ??
Answers
Answer:
Newton's first law states that a body stays at rest if it is at rest and moves with a constant velocity unit if a net force is applied on it. Newton's second law states that the net force applied on the body is equal to the rate of change in its momentum.
F = ma
or F = m(v-u) / t
or Ft = mv - mu
That is, when F = 0, v = u for whatever time, t is taken. This means that the object will continue moving with uniform velocity, u throughout the time, t. If u is zero than v will also be zero, i.e., object will remain at rest.
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Answer:
The tendency of a body in motion continues to remain in motion, moving with uniform velocity and a body at rest continues to remain at rest unless acted upon by a force. This tendency of the body is known as 'inertia' (i.e. resistance to change). In Newton's First Law of Motion, this concept is quantified.