quiz Flashcards
What is physics?
The study of motion and energy.
What are the six factors of physics?
Motion, forces, energy, heat, waves, and light.
What are the three D’s?
Direction, distance, and displacement.
What are factors of direction?
Compass reading, and degrees.
What is distance?
The length along a path that an object moves.
What is displacement?
Distance from start to finish in a straight-line.
What must displacement have?
Distance and a direction.
What is velocity?
Displacement traveled in a given time period.
What is another definition for velocity?
Speed with direction.
What is the triangle?
D
S | T
What is velocity used for?
Navigation.
Velocity is the same thing as a…?
Vector (arrow).
What is speed?
Distance traveled in a given time period.
What are the different types of speed?
Average, instantaneous, and constant speed.
What is average speed?
Total distance over total time.
What is instantaneous speed?
A radar or a photogate.
What is constant speed?
Cruise control.
What is motion?
Movement in relation to a set of objects.
What is frame of reference?
Set of objects from which motion is compared.
How do you describe motion?
Direction and speed.
What relates to motion?
Relative motion.
What is the most common frame of reference?
Earth.
