# Forces - P2.1

- Created by: poppyabbott
- Created on: 19-03-16 14:54

Distance, speed + velocity

Speed (m/s) = distance (m) ÷ time (s)

When an object is stationary the line is **horizontal** (the distance does not change).

When moving at a steady speed it's a straight **diagonal** line - steeper means faster (bigger distance in the same time).

If the line slopes **downwards** the object is returning to the starting position (distance is getting less).

**Velocity** tells you how fast you are going and in what direction

**Speed** just tells you how fast you are going

Acceleration

acceleration is when an object speeds up or changes its velocity

deceleration is when an object slows down or starts moving in the opposite direction

acceleration (m/s2) = change in speed (m/s) ÷ time (s)

The **steeper** the gradient of the line, the greater the …

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