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Topic 3 Vocab

Forces and Motion

TermDefinition
force a push or pull that can act on or change an object.
noncontact force a force that does not need to touch an object to affect it, like gravity.
gravity a force that pulls masses towards large objects, such as the Earth and the sun.
contact force a push or pull that moves or changes an object when two objects touch.
friction an opposing force caused by two objects touching each other.
acceleration a change in an object's direction or speed.
inertia an objects ability to oppose a change in motion.
balanced when two equal forces acting on an object cancel out each other's effect on the object.
Created by: Mscrochunis
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