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85 Cards in this Set

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Acceleration
The rate at which an object increases in speed.
Air Resistance
Friction that results when an object is in free fall.
Average Speed
The average of all the speeds of an object.
Average Velocity
The average of all the instantaneous velocities.
Deceleration
The rate at which an object decreases in speed.
Displacement
The amount of space between an object's original location and the object's current placement.
Distance
The amount an object has traveled.
Frame of Reference
The center of what you are concerned with.
Free Fall
The state of an object in motion that is only under the influence of gravity.
Gravitational Acceleration
Acceleration that is caused by a gravitational force.
Instantaneous Velocity
The speed of an object at one instant.
Linear Motion
Motion in one demension.
Meter
The unit of distance in the metric system.
Meter/second
The unit of Velocity in the metric system.
Meter/second2
The unit of acceleration in the metric system.
Odometer
A device that measures distance, most commonly in a car.
Projectile Motion
The motion of an object acted on by gravity.
Rate
The speed at which something happens.
Revolution (Earth's)
The movement of the Earth around the sun.
Rotation (Earth's)
The movement of the Earth on its axis.
Speed
How fast something is moving.
Speedometer
A device that measures instantaneous speed, usually on a car.
Velocity
The speed of an object.
BTU
British Thermal Unit
Calories
A unit of energy.
Chemical Energy
Energy associated with chemical bonds.
Coal
A form of solar energy
Conservation of Energy
The principle that energy is never destroyed or created, and is just transferred into another form.
Derived Unit
A unit that is created out of base units.
Elastic Potential Energy
Stored Energy associated with objects that have the ability to return to their original form.
Electromagnetic Energy
Energy associated with the electromagnetic spectrum.
Energy
The property of an object that enables it to do work.
Fundamental Units
Base units in a system.
Geothermal Energy
Energy associated with the world's heat.
Heat Energy
Energy associated with heat.
Horsepower
English unit of power.
Infrared Radiation
Heatwaves.
Joules
The unit of energy and work.
Kinetic Energy
Energy associated with the movement of an object.
Mechanical Energy
Energy associated with mechanics.
Nuclear Energy
Energy associated with nuclear power.
Potential Energy
Stored energy.
Power
The rate at which work is done over time.
Photosynthesis
Plants absorbing sunlight.
Reference level
The level at which you measure from.
Simple Harmonic Motion
Any sort of back-and-forth motion, such as a pedulum.
Watts
The unit of power.
Work
When a force move an object.
Work-Energy Theorem
The theorem that the energy used is equal to the work done.
Abrasive
Material that increases friction.
Action-Reaction Pair
Two equal and opposite forces.
Balenced Forces
When forces acting on an object in the same direction are equal, and so the object is in equilibrium.
Contact Friction
Friction that takes place when objects make contact.
Drag
Air resistance on a car.
Dynamics
The study of objects in equilibrium.
Fluid
A liquid or gas.
Fluid Friction
Friction that takes place when a solid object moves through a liquid or gas.
Force
A push or pull.
Friction
A force that works against an object's motion.
Geocentric (motion)
Motion that is thought of considering that the Earth is the center of the universe.
gravity
The pull of a planet on masses.
Heliocentric (motion)
Motion that is thought of considering the sun as the center of the universe.
Inertia
The amount of resistance an object has to forces acting upon it.
Kilogram
A unit of mass in the metric system.
Kinematics
The study of motion.
Kinetic friction
Friction that takes place when an object is in motion.
Lubricant
A material that decreases friction.
Magnitude
the quantity of something.
Mass
The amount of mattar an object has.
Newton
A unit of weight in the metric system.
Normal (force)
A vertical force that supports an object and puts the object in equilibrium.
Net Force
The total of all the forces.
Rolling Friction
Friction associated with rolling objects.
Scalar
magnitude only.
Sigma
net
Three Body Diagram
A diagram that shows the forces acting on an object.
Spring Scale
A device that measures weight.
Static
rest
Static Friction
Friction that takes place when an object is at rest.
Tension
The act of stretching or straining.
Triple Beam Balence
A device used to measure mass.
Unbalenced forces
When the forces in one dimension are not equal and so the object is not in equilibrium.
Vector
Direction and magnitude.
Viscosity
The thickness of a fluid.
Weight
The amount that the earth pulls of masses because of gravity.