Motion
Distance traveled divided by the time
Speed
This is the weakest of the fundamental forces
Gravity
The law of acceleration
Newtons 2nd law
The ability to do work
Energy
What temperature scale has water boiling at 212o
Fahrenheit
Speed in a particular direction
Velocity
This force slows things down as they move over a surface.
Friction
An object in motion stays in motion, and an object at rest stays at rest unless acted on by an outside force.
Newton's first law
Energy stored to be used later
Potential energy
What is the SI unit of temperature
Kelvin
Quantity which has magnitude and direction
Vector
A push or a pull
force
For every action force, there is an equal and opposite reaction force.
Newton's 3rd law
Energy of motion
Kinetic energy
In what temperature scale does water freeze at 0o and boil at 100o
Celsius
Acceleration of an object toward the earth, caused by gravity
9.81 m/s2
The SI unit of force
Newton
A force that acts perpendicular to where 2 objects make contact. (acts opposite to the gravitational force)
The normal force
The sum of kinetic and potential energy in a system
mechanical energy
The movement of thermal energy from an area of high temperature to one of lower temperature
Heat
An object falling with only gravity acting on it is said to be in ______ ________
Free Fall
Field force that cause things to fall to the ground.
Gravity
The law of inertia
Newton's 1st law
Most of the world's energy needs are met by this type of energy resource
Fossil fuels
The sum of kinetic energy of all particles in a system is called
Thermal energy