Harnessing Human Energy
the energy that is stored in an object or system
potential energy
an event or process that leads to a result or change
cause
one of the two opposite ends of a magnet
magnetic pole
a machine that can convert kinetic energy into electrical energy
generator
the moment when two objects hit each other
collision
an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
model
to change from one type to another
convert
a result or change that happens because of an event or process
effect
to push objects away from each other
to push objects away from each othe
to move from one object to another or one place to another
transfer
to apply a force
exert
a set of interacting parts forming a complex whole
system
prove (a statement or theory) to be wrong or false
refute
a push or a pull that can change the motion of an object
force
something that can be changed and may be measured
variable