Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
velocity
|
refers to speed in a specific direction
|
|
acceleration
|
change in velocity over period of time
|
|
gravity
|
assuming no wind resistance, accelerates an object released above earths surface at a rate of 9.8 m/sec^2
|
|
horizontal motion
|
not accelerated. x subscript used to denote motion along X axis
|
|
Vertical motion
|
constantly changing
|
|
Newtons first law of motion
|
body at rest will remain at rest, and body in motion will remain in motion, unless acted by an unbalanced force
|
|
newtons second law of motion
|
an unbalanced force will cause acceleration and this acceleration is directly proportional to the unbalanced force
|
|
newtons third law of motion
|
for every action there must be an equal and opposite reaction
|
|
friction
|
force opposes motion and expressed in newtons
|
|
uniform circular motion
|
speed/magnitude of velocity is constant, the direction could be changing
|
|
work
|
done when force is applied and object moves in direction of the force
|
|
kinetic energy
|
energy resulting from the motion of the object
=1/2mv^2 |
|
potential energy
|
energy the object has because of its position
=mgh |
|
momentum
|
amount of motion displayed by an object
|
|
simple harmonic motion
|
an object attached to a spring which follows Hookes law
|
|
speed
|
which wave travels through a medium is determined by the frequency and wavelength of the wave
|
|
frequency
|
string vibrates depends on the number of antinodes, wavespeed, and length of the vibrating string
|
|
index of refraction
|
ration of the speed of light in a vacuum to the speed of light in a given material
|
|
waves
|
as they move from one medium into an optically denser medium it bends to normal
|
|
waves
|
as they move from a medium into a optically less dense medium, it bends away from the normal
|
|
real images
|
always inverted
|
|
virtual images
|
always upright
|
|
Coulombs law
|
force of attraction or repulsion is determined by
|
|
flow of current
|
determined by voltage available and the resistance of the circuit
|