12 terms

Unit 2: Direction and Force Quizlet

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Terms in this set (...)

pendulum:
a string or bar that is loose at one end but fixed at the other and can rotate or swing around the fixed point
gravitation:
the force of attraction between two masses
inertia:
an object's resistance to a change in motion
gravity:
a force that exists between any two objects that have mass
motion:
a change in the position of an object compared to another object
force:
a pull or push that is applied to an object
mass:
the amount of matter in an object
attract:
to pull towards
kilogram:
a metric unit for describing mass
mater:
material that has mass and takes up some amount of space
surface:
the top of an object; the outside of an object; the boundary between two objects or materials
weight:
the force of gravity on an object