Force
______ causes and object to move with a push or pull
Force
_________ is an objects change in position over time
motion
Which law states all actions have an equal or opposite reaction
3rd
If a person is pulling a rope with 200 newton and another person is pulling the opposite direction with 200 newtons how much force is acting on the rope
0
Friction always releases what
heat
All the forces acting on an object combined are called
Net force
what kind of force opposes motion of an object
Friction
Which law states that something in motion or stopped will remain that way until a force acts on it
1st
What caused Sir Newton to discover gravity
Apple
What do you use to determine motion
reference point
_______ is the only kind of force that can move an object
Unbalanced
If 2 unbalanced forces are moving in the same direction will the object move
Yes
Which law states that if a force acts on an object it will change speed or direction
2cd
If my truck is pulling a trailer with 500 newtons and i get stuck and someone pushes me out with 400 newtons how much force is on the trailer
900
What is an example of gravity
Teacher
What type of force always equals 0
balanced
The two forces that can oppose an objects motion are what
gravity and friction
I push the door the door pushes back
3rd
If im running and gravity is pulling me down with 300 newtons and my legs are pushing me forward with 200 newtons what is my net force?
500
What is the force between all objects
gravity
What happens if an unbalanced force acts on an object already in motion
changes direction and speed
What three things effect friction
size speed and roughness of surface
i throw a ping pong ball in space and it goes on forever
1st
Summarize each of newtons 3 laws
Teacher
What two things effect gravity
Distance size