# Physics: 2.1- Motion

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- Created by: zoej21
- Created on: 24-01-16 15:51

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- Physics: P2.1- Motion
- More about Velocity-time Graphs:
- if a velocity-time graph is a horizontal line, the acceleration is zero.
- eg.
- The gradient of the line on a velocity-time graph represents acceleration.
- The area under the line on a velocity-time graph represents the distance.
- eg.

- Velocity and Acceleration:
- Velocity is speed in a given direction (speed)
- Acceleration is the change of velocity per second (m/s^2)
- Acceleration= Change in velocity/ time taken
- Deceleration is negative acceleration.
- eg.

- Distance-Time Graphs:
- If an object is Stationary, the DTG is a horizontal line.
- If an object is moving at a constant speed, the DTG is a straight line that slopes upwards.
- The Gradient of a line (how steep it is) represents its speed.
- - Speed (m/s)= Distance/ Time
- Distance (m) = Speed x Time
- Time (s) = Distance/ Speed
- eg.

- Using Graphs:
- The Gradient= the Height of the triangle/ the Base of the triangle
- eg.

- More about Velocity-time Graphs:

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