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unit 1 Phys Science
Newtons first law
Term | Definition |
---|---|
Distance- It is a scalar quantity | How far you have traveled between two positions. It is always positive. |
Displacement- It is a vector quatity | Change in position. It is the straight line distance between your starting position and ending position. It is equal to Final position minus initial position. It can be both negative and positive. |
Scalar | Quantity that only requires magnitude (how big) |
Vector | Quantity that requires both magnitude (how big) and directions |
Speed- It is a scalar quantity | How fast something is moving. It is equal to distance divided by time. |
Velocity- It is a vector quantity | Rate at which position changes. It is equal to displacement divided by time. |