Derivation of 1 , 2 , 3 Newton's Law?
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Answers
Explanation:
newton 3 rd law:Every reaction has equal opposite reaction.
ex:if you throw a ball to the wall it will reverse back.
Answer:
Newton's first law of motion
derivation:According to Newton's first law of motion,if a body is in state of rest,it will remain in the state of rest and if it is in the state of motion,it will remain moving in the same direction with the same speed unless an external force is applied on it.
for example:A book lying on a table top will remain placed at its place unless it is dispkaced.Similarly,a ball rolling on a horizontal
plane keeps on rolling unless the force of friction between the ball and the plane stops it.
Newton's second law of motion
Derivation:According to Newton's second law of motion,the rate of change of momentum of a body is directly proportional to the force applied on it and the change in momentum takes place in the direction in which the force is applied.
for example:when a glass vessel falls from a height on a hard floor,it comes to rest almost instaneously so the floor exerts a large force on the vessel and it breaks.But if it falls on a carpet,the time duration in which the vessel comes to rest,increases and so the carpet exerts a less force on the vessel and it does not break.
Newton's third law of motion
Derivation:According to Newton's third law of motion to every action there is always equal and opposite reaction.
for example:firing a bullet from a gun:When a man fires a bullet from a gun,a force F is exerted on the bullet (action) and the gun experiences an equal recoil R (reaction).