Question

prove that newton's first law follows from the second law​

Answer 1

Answer:

We have,

From Second Law of Motion,

                                F = ma

If no external force is applied on the body then F= 0,

                                                ma = 0

Since, m ≠ 0

                                          a = 0

i.e. the body is either at rest or in uniform motion. This proves, if no external force is applied on the body then the body continues in its state of rest or uniform motion.

Explanation:

mark me brainlist plsss

Answer 2

Answer:

☆ - Newton's first law state that a body stays at a rest if it is at rest & 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 on 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 then v will be also zero.

i.e , the object will remain at rest.