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.