Question

8. Explain the Newton’s First Law of Motion from Newton’s Second Law of Motion.​

Answer 1

Answer:

Newton's first law:-

The first law of Newton says that any object at rest remain rest until the external force is applied on it or the moving body will continuously moving until the external force is applied to stop it.

The the first law or of motion gives the term Inertia.

Inertia:-

The inheritance property of an object resist any change in its state of rest or state of uniform motion in a straight line on its own is known as inertia. Inertia is the measure of mass of an object.

Greater mass = Greater Inertia

Newton's second law of motion:-

According to Newton's second law of motion the rate of change of momentum of an object is directly proportional to the applied unbalanced force (net force) in the direction of force.

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Answer 2

Answer:

Explanation:

F=ma

if F=0, either m=0 or a=0 but as m=0 is not possible

so,a=0

Thus body moves with same velocity if no external force is applied on it