Force and Motion
Simple Machines and Newton's Laws of Motion
Think of tugging your dog on a leash or kicking your soccer ball across the field. Those use force and motion. You use force everyday, even if you don't realize it. When you get water from the sink, you push or pull the faucet lever (simple machines).
The bike
The gears in the bike shift as the boy pushes on the pedals to move the bike up the hill.
The baseball
Proffesional baseball player Alex Gordon picks the ball up and throws it to second base.
The soccer ball
The boy kicks the soccer ball to the goal.
Newtons first law
Newtons first law states that objects at rest, stay at rest and objects in motion stay in motion unless acted upon by an outside force.
Newtons second law
Newtons second law states that f=ma or force = mass x acceleration
Newtons third law
Newtons third law states that for every action, there is an equal and oposite re-action