Question

Explain Newton's three laws with examples.....

[>] Explaination should be good
[>] If it is not I'll delete it​

Answer 1

Answer:

First law-An object in motion will stay in motion until no unbalanced force acts upon it..

second law-Force is directly proportional to rate of change of momentum

Third law-Every Action has an equal and opposite rection...

Answer 2

Answer:

Newton’s laws of physics:

1.EVERY BODY CONTINUES TO BE IN REST OR OF UNIFORM MOTION UNLESS AN EXTERNAL FORCE ACTS ON IT.

Example:

i) A book on your table does not come towards you unless you put effort to take it

ii) The Earth and other planets will not revolve around the sun when there exists no gravitational field.

iii) A rocket or any other propelling object does not take off unless a force equal to its weight is applied on it.

2.THE FORCE ACTING ON A BODY IS DIRECTLY PROPORTIONAL TO THE RATE OF CHANGE OF MOMENTUM

Example:

i) When you disturb an object in a short period of time, it has more effect i.e impulse.

ii) Since F=ma, a car of small mass moving with great acceleration, hitting on a wall and truck having great mass moving with small value of acceleration, hitting on the same wall will have similar effects

3. EVERY ACTION HAS AN EQUAL AND OPPOSITE REACTION

Example:

i) If you hit a wall, your fist will get hurt.

ii) If you push an object, it will start moving.

iii) If two vehicles crash each other, kinetic energy is converted into light, sound and heat energy.