Force and motion vocabulary |
1. Force = a push or a pull needed to start motion, stop motion, or change the direction of motion
2. Motion = a change in position
3. Gravity = the force that pulls all objects toward the center of Earth (or any other object that has mass)
4. Friction = a force that slows down moving objects
5. Speed = a measurement of an object's change in position over time (can be found by taking distance divided by time)
6. Weight = the downward force caused by gravity on an object
7. Newton = the metric unit used to measure force (symbol = N)