click below
click below
Normal Size Small Size show me how
Topic 5 Vocab
Force & Changes in Motion
Term | Definition |
---|---|
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. |