NEWTON'S LAWS

THE LAW OF INERTIA

THE FIRST LAW STATES:

• That an object in motion will stay in motion
• That an object at rest will stay at rest unless acted on by an outside force
• It is called the law of inertia
• Example: If I kick a soccer ball it will stop because friction is the unbalanced force that stops it
• Example 2: If I kick the soccer ball I would be exerting an unbalanced force on it

F=MA

THE SECOND LAW STATES:

• That FORCE=MASS x ACCELERATION
• An object with more mass will need more force to move it
• The faster you want the object to go the more force you will need to apply
• Example: I have a boulder and a pebble I will need more force to move the boulder
• Example 2: If I throw a bowling ball with with a lot of force it will go faster

THE LAW OF ACTION AND REACTION

THE THIRD LAW STATES:

• For every action there is an equal and opposite reaction
• Forces come in pairs and they will exert the same amount of force
• The forces will always come in opposite pairs
• Example: let's say that a basketball bounces on the ground,it will exert a force
• on the ground and the ground will exert a force on it causing it to bounce