click below
click below
Normal Size Small Size show me how
Forces& Motion Study
Question | Answer |
---|---|
position | location of an object |
motion | an object's position and how that position changesover time |
speed | distance/time - distance over time |
velocity | distance/time+direction - distance over time plus direction |
compass | measures direction |
tape measure | measures distance |
stopwatch | measures time |
force | a push or a pull on an object |
balanced forces | no movement |
unbalanced forces | movement |
gravity, friction, magnetism, electricity | examples of forces |
gravity | force that pulls all things toward the center of the Earth |
energy | the capacity to do work |
heat, light, sound, electrical, chemical, mechanical | forms of energy |
machine | a tool that replaces human work |
inertia | an object in motion will stay in motion or an object at rest will stay at rest, unless acted upon by an outside force |
friction | a force. It stops motion. |