The Second Law of Motion
It's easy to kick this soccer ball because it has less mass than the brick wall below! With this ball you have to use less force to make it go a certain distance!
It's harder to kick the brick wall like you would kick a ball because it has more mass, so it would take a lot more force to kick it! That means it takes more force to get it to go the same distance as the soccer ball!
Have ever tried pushing an empty cardboard box? It's not that hard, right? You could push it across the room in no-time! But have you tried pushing a cardboard box full of old books? It's a lot harder and takes more time. Why is that? Well, Isaac Newton thought of that too! He said that heavier things needs more force and acceleration to move the same distance as lighter things because they have more mass! The second law is also written like this: F=ma.
What is acceleration, force and mass? Acceleration is something speed that keeps going up or increases. So if you kick a ball it will accelerate some before it lands.
Force is how much strength you put into pushing or pulling something. So if you had to push two boxes, and one was heavier then the other, you would have use more Strength to push the heavier box.
Now mass is how much stuff can a object put into its self.
Original Newton's Second Law: Simply stated is Force = Mass x Acceleration, witch deals with the relationship of force, mass, and acceleration of an object.
What is acceleration, force and mass? Acceleration is something speed that keeps going up or increases. So if you kick a ball it will accelerate some before it lands.
Force is how much strength you put into pushing or pulling something. So if you had to push two boxes, and one was heavier then the other, you would have use more Strength to push the heavier box.
Now mass is how much stuff can a object put into its self.
Original Newton's Second Law: Simply stated is Force = Mass x Acceleration, witch deals with the relationship of force, mass, and acceleration of an object.