Energy
Mouse traps depend on this force
spring potential energy
This force is caused by the pull of large masses like earth
Gravity
the speed of a car that goes 720 meters in 8 seconds
90 m/s
Batteries provide electrical potential energy called ________
voltage
the number of vibrations per second
frequency
Friction causes this type of energy
thermal
This force is what parachuters depend on
drag
acceleration of a bike that takes 5 seconds to go from 5 m/s to 20 m/s
3 m/s^2
slows down electrons
Resistance.
Frequency also can be referred to as this.
pitch
gasoline is a form of this energy
chemical
the force causes static electricity
friction
acceleration due to gravity is ________
-9.8 m/s^2
the speed of electrons
current
frequency has an indirect relationship to __________
length
the equation for gravitational potential energy
mgh
Bungee jumpers wold have a scary ending without this force
Tension
when an object slows down it _________
decelerates
current of a circuit with two 9 volt batteries and a lightbulb of 36 ohms.
.5 amps
the sound of thunder is caused by a rapid increase and decrease of this
heat
the equation for kinetic energy
.5mv^2
This force keeps us held up in our seats
Normal
when molecules push against a surface
pressure
motors are components that turn _______ energy into ________ energy
electrical , kinetic
it takes 8 notes to double in frequency. That set of notes is called this.
an octave
energy that can be used over and over or has unlimited sources
renewable
An engineering design that minimizes drag.
Aerodynamics
This is the type of motion that results from just gravity
projectile
circuit type where two lightbulbs are connected in a way that are independent of each other
parallel
the percent of energy conserved is related to _________
efficiency
when a swimmer is diving into the pool, there motion can be described as this.
negative acceleration.
electrical fields depend on these two things
amount of charge, distance