Newton's First Law
What is the first law?
law of inertia (:
What is Newton's law?
Law of force and acceleration (=
Action/reaction
The _____ law says that an object at rest tends to stay at rest, and an object in motion tends to stay in motion, with the same direction and speed.
First law!
What is kinetic energy?
Energy in motion
Describe what happens if you are riding a skateboard and hit something (like a curb) with the front wheels.
Your body will keep moving forward and fly off your skateboard since the curb only stops the board, not yourself.
Any change in the speed or direction of an object is called _____.
Acceleration
What happens according to Newton if you let an untied balloon go?
Air will rush out of the balloon forcing the balloon to move through the air in the opposite direction, but equal in force.
Newton's _______ Law also states that the greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
Second law!
What is potetial energy?
Stored energy
Which has more inertia? A truck, ant, a cat, or a skateboard.
The truck has more inertia.
Will it take more force to push an empty shopping cart or a shopping cart that is full?
The full shopping cart
By pushing backwards a roller skater moves forward. This is an example of Newton's ______ law.
Third
Newton's _____ law is: For every action, there is an equal and opposite reaction.
Third law!
What is a force?
A push or pull
The ______of an object tends to make the object resist being set into motion.
mass
If you push the ping pong ball & the basketball with the same amount of force, which one will go a greater distance?
The ping pong ball
Which law explains why when you put a book on a table the table pushes on the book?
Third law
Who invented the laws?
Sir Issac Newton.
What unit do we measure force in?
Newtons
The tendency of an object to resist a change in its state of motion is called the object's ______.
Inertia
The larger the mass you have the _____ force you need to change its motion.
More
When a large truck pushes a small car with a given force, the small car is applying an equal and opposite force on the truck. True or false?
Do we use all the laws in are every day life?
YESSS!
What force causes a ball to fall to the ground?
Gravity