Science Quiz Study Guide: Definitions, Formulas, and Acceleration

**Science Quiz Study Guide** **Definitions:** **Displacement**: the change in position of an object including both how far (magnitude) and which direction. **Position**: The Location in space of an object relative to a fixed reference point. **Reference Point:** The object or point point from wh...

**Science Quiz Study Guide** **Definitions:** **Displacement**: the change in position of an object including both how far (magnitude) and which direction. **Position**: The Location in space of an object relative to a fixed reference point. **Reference Point:** The object or point point from which movement is determined (If movement is constant it is impossible to determine whether one thing or another is moving.) **Frame of Reference**: Group of reference points. **Motion**: A change in position relative to a frame of reference. **Constant Speed**: When the speed of an object stays the same. **Velocity:** Speed in a given direction. (Velocity in the same direction combines) Velocity in different directions counteracts) **Acceleration:** The rate of change in velocity. **Displacement**: the change in position of an object including both how far (magnitude) and which direction. **Position**: The Location in space of an object relative to a fixed reference point. **Deceleration:** Decrease in Velocity. **Formulas:** **S=d/t → Speed = Distance/Time** **D=st → Distance=Speed x Time** **T=d/s → Time = Distance/ Speed** **a=fv-iv/a → Acceleration = Final Velocity- initial velocity/Time** **T= fv-iv/a → Time = Final velocity- Initial Velocity/ acceleration** **Fv=iv + (a x t) → Final Velocity = Initial velocity + (acceleration x time)** **Extra Notes:** Acceleration on a graph is always curved. ALWAYS USE METERS PER SECOND Galileo Galilei