Science Laws

Updated: 3/12/2020

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- Class, today we will be learning about Newton's Three Laws of Motion. I need two volunteers.
- I will!
- Last but not least is Newton's 3rd Law!
- Once Susan kicks the soccer ball it will keep moving to the direction in front of her until Jake changes it with an unbalanced force. Otherwise known as his foot.
- A toy plane is the perfect example for the 3rd Law.
- When I kick the soccer ball, it will change direction. This is all an example of Inertia. Right Ms. Solsten?
- Now, let's see an example of Newton's 2nd Law!
- Since the ball has a high mass...
- Newton's Second Law!
- (British accent)Correct!
- The acceleration will go down and the amount of force needed up.
- The formula is F=ma.
- At first normal force pushes up and gravity pushes down. This makes the plane stay in the air.
- Every action has an equal and opposite reaction.
- However, sooner or later gravity will overrule normal force, sending the plane to the ground.
- Great Job!
- The formula for Newton's 2nd Law is F=ma.
- So what did we learn?
- Newton's 1st Law known as, Inertia, is an object's resistance to move until contact with an unbalanced force.
- Newton's 3rd Law starts out with two equal forces, but in the end one overrules the other.