Vocabulary
Measurement to show speed and direction
What is velocity?
Sir Isaac Newton said this holds planets in place
What is the sun?
Force of air pushing against an object
What is air resistance (or drag)?
Motion that continues endlessly
What is perpetual motion?
The change in velocity over a period of time
What is acceleration?
Three things, from the notes, that reduce friction
What are grease, oil, water, ice, or ball bearings?
Momentum is not created or destroyed
What is the law of conservation of momentum?
Much friction between two objects
What are high comparison values?
The property of a moving object that causes it to tend to keep moving
What is momentum?
Friction resists this law of motion
What is Newton's 1st Law?
The electrical attraction between particles on surfaces causes this
What is friction?
Force that resists motion between two surfaces in contact
What is friction?
The four potential benefits of perpetual motion
What are unending source of energy, little to no cost, creates own energy, overcomes gravity, friction, and energy loss?
How energy transfers
What is thermodynamics?
Momentum includes these three things
What are mass, speed, and direction?
The force that resists movement of an object at rest
What is static friction?
Distance covered in a certain amount of time
What is constant speed?
The metric unit of measuring force
What is a newton?
The two laws of thermodynamics
What are energy cannot be created or destroyed (can be converted or transferred) and the law of entropy (things slow down or wear out)?
The two ways energy transfers
What are from place to place and one form to another?
Force that resists the motion of a moving object
What is kinetic friction?