science chapter 11 lesson 2

newtons laws of motion

Newtons 1st law of motion-An object at rest tends to stay at restand a object in motion tends to stay in motion.

Newtons 2nd law of motion-A law that states that an objects acceleration depends on the objects mass and the amount of net force applied to it.

Newtons 3rd law of motion-For every action their is an equal and an opposite reaction.


Newtons law of gravitation

Newtons law of gravitation- a physical law stating thatthe planets the stars and the sun all exert gravitational forces.

momentum

momentum-the mass of an object multiplyed by its velocity.

weightlessness

Weightlessness- The state of being with out detectable weight it still pulls you towards the center of earths mass.