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Ls 2 vocab pg 41-78
Terms in this set (20)
energy that is stored to be transformed at a later time.
elastic potential energy
stored energy released when an object's shape is changed (as in a stretched rubber band or a coiled spring).
gravitational potential energy
stored energy of an object based on its position above the ground.
a way to increase (or decrease) an object's energy by using a force to change the object's motion or position.
a push or pull that acts on an object.
squeezed or pressed together.
the force of attraction between any two masses. Near Earth's surface, gravity is the force that attracts objects toward the center of Earth.
a collection of objects that interact.
sum of the
kinetic energy, gravitational potential energy, and elastic potential energy in a system.
conservation of mechanical energy
if there is no friction or air resistance, the mechanical energy of a system changes only if the system does work on something else or energy is added from outside the system.
conditions or procedures that are held constant.
independent (manipulated) variable
a factor that is changed to affect changes in the dependent (resulting) variable.
dependent (resulting) variable
a factor that is affected by changes in the independent (manipulated) variable.
to find the meaning of something.
a pattern or a tendency you can see over a broad range of data.
a statement that draws a conclusion about
a set of facts or data.
the rate at which speed changes.
changed in shape because of an applied force.
ability of a material to return to its original shape after it is deformed.
limit beyond which a deformed material does not return to its original shape.
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