Question

can any one explain me 3 laws of newton

Answer 1

First law :- Every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.

As per this law, an object will tend to/will continue to move in a path with same velocity until some external force/agency try to bring a change by their influence.

Second law :- This law states thatforce applied/experienced is equal to change in momentum per unit change in time.

As per this law, the change in momentum(product of mass and velocity)per unit time happens when a force is applied to a body. If we consider mass to be constant then it certainly depends on the rate of change of velocity and if mass is not considered constant then you can apply the formula (product of mass and velocity) per unit time and then considering the initial and final cases and calculating the difference, you will get the force applied/experienced.

Third law :- For every action, there is equal and opposite reaction.

In this law, the body which applies force on another body experiences the equal same amount of force. Both the bodies experience the same magnitude of force.