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33 Cards in this Set

  • Front
  • Back
acceleration
rate of change of velocity
antimatter
for every particle of matter there is a particle with opposite properties
battery
2 or more electrical cells connected together
density
relationship between mass and volume
effort
force applied against inertia
energy
ability to do work
force
a push or a pull
frequency
number of waves passing a point per unit of time
friction
forcethat resists the movement of one object over another
fulcrum
point at which a lever is supported
gravity
force of attraction between two objects of mass
inertia
resistance of a body to any change of its state of motion
inclined plane
a tilted surface
joule
one Newton meter of work
kinetic energy
energy of motion
lever
effort arm, resistance arm, and fulcrum
matter
anything that has mass
Newton
unit of force required to accelerate a 1kg object 1m/s/s
mechanical advantage
number that identifies how many time a machin multiplies the effort used
potential energy
stored energy that can be converted to other kinds
power
rate at which work is done
pressure
amount of force on a specific area
pulley
machine made of a wheel and axel which changes the direction of the force making work easy
repel
force that pushes away
resistance
force that acts against levers
speed
rate of motion
tension
tightness of a spring caused by force
volume
amount of space taken up by matter
vibrate
back and forther mtion
vacuum
absense of matter
velocity
speed and direction of a moving object
weight
force of gravity on and object
work
force acting to move and object through a distance