Forces
Net force on an object is _____________ to the object's acceleration
What is proportional?
The total momentum in an ____________ system remains constant
What is isolated?
Type of wave in which particles move parallel to the wave direction
What is longitudinal?
Opposition to (slowing of) current in an electrical circuit
What is resistance?
Rate of change of velocity with respect to time
What is acceleration?
Assuming mass stays constant, if an object's acceleration is increasing, that must mean the net force is ____________
What is increasing?
In an inelastic collision, kinetic energy is not conserved, it is ___________ by the surroundings
What is absorbed?
What is frequency?
Type of electricity produced when electrons build-up on a surface, then jump to another surface
What is static electricity?
Gravitational constant in standard units, two decimal places
What is 9.81 m/s2?
"A body at rest will remain at rest, and a body in motion will remain in motion, unless it is acted on by an ___________ force."
What is external?
As you increase time with constant force applied, impulse ___________
What is increases?
The only quantity that affects wave velocity in a Slinky
What is tension?
An object that creates a magnetic field
What is a magnet?
Type of potential energy resulting from the stretching or compressing of a spring or other elastic object
What is elastic energy?
Type of force that opposes gravity
What is normal force?
Unless a bicycle is going REALLY, REALLY fast, it cannot possibly have the same ____________ as a moving train
When an object, such as a snare drum, vibrates in response to a certain frequency
What is resonance?
When you make an electromagnet, the battery (voltage source) gets hot as a result of electrical __________
What is current?
Renewable energy source that uses heat from the core of the Earth
What is geothermal energy?
When a system is unbalanced, we draw arrows with uneven lengths on this diagram
What is a free-body diagram?
This quantity can be shown to be the product of an object's mass, its acceleration, and time
What is impulse?
Using ultrasonic waves to map surroundings
What is echolocation?
Because of Earth's molten core, it is actually a giant __________________
What is electromagnet?
In a motor, the input is electrical energy and the output is _____________________
What is mechanical energy?