Forces
Force that opposes the movement of an airborne object
What is air resistance?
Standard unit of measurement for momentum
What is kilogram-meters per second (kg m/s)?
Type of wave in which particles move perpendicular to the wave direction
What is transverse?
When voltage is held constant, as resistance increases, current ___________
What is decreases?
Type of energy that depends on an object's height from the ground
What is gravitational potential energy?
For each action, there is an equal and opposite ________
What is reaction?
Standard unit of measurement for impulse
What is Newton-seconds (N-s)?
Distance from line of equilibrium to the crest or trough
What is amplitude?
When voltage is held constant, if current doubles, power _________
What is doubles?
Velocity takes this into account while speed does not
What is direction?
When the net force on an object is zero, we say the system is __________
What is balanced?
Relationship (pattern) between momentum and velocity, and also between impulse and time
What is proportional?
Speed of sound in standard units
What is 343 meters per second?
A substance in which electrons are kept close to the nucleus, making electron transfer difficult
What is insulator?
Rate of change of velocity with respect to time
What is acceleration?
Two quantities that affect the net force on an object
What are mass & acceleration?
According to the Law of Conservation of Momentum, in an isolated system, _____________________ remains constant
What is total momentum?
Product of wavelength and frequency
What is wave velocity?
The amount of electrical energy transferred per second
What is power?
Type of energy that generators convert to electrical energy
What is mechanical energy?
With constant applied force, as an object's mass increases, its acceleration __________
What is decreases?
In an elastic collision, ______________________ is conserved
What is kinetic energy?
Part of the inner ear responsible for sending electrical signals to the auditory nerve
What is cochlea?
These things force moving electrically-charged particles to follow a circular path
What are magnetic fields?
Any energy source that we can reasonably assume will not run out as long as we exist
What is renewable energy?