ASVAB Mechanical Comprehension

kinetic energy
energy of motion

potential energy
energy stored due to an object’s position or arrangement

chemical energy
that part of the energy in a substance that can be released by a chemical reaction

electric energy
the movement of electrons from one place to another; current electricity

nuclear energy
the potential energy stored in the nucleus of an atom

solar energy
energy from the sun that is converted into thermal or electrical energy

forces
pushes or pulls between objects

magnitude
the property of relative size or extent

gravity
the force of attraction between all masses in the universe

acceleration
a rate of change of velocity

friction
effort expended in rubbing one object against another

compression
the process or result of becoming smaller or pressed together

tension
a stress that produces an elongation of an elastic physical body

machine
a device for overcoming resistance at one point by applying force at some other point

mechanical advantage
the ratio of the force exerted by a machine to the force applied to it

load or resistance
output force when calculating mechanical advantage

effort
input force when calculating mechanical advantage

simple machine
a device for overcoming resistance at one point by applying force at some other point

compound machine
a machine made of more than one simple machine

MA of a compound machine
multiplication of the mechanical advantages of the simple machines together