Linear Motion Principles

What is Speed?

the rate at which a body moves from one location to another

How is Speed Calculated?

distance travelled / time taken

Example of Speed in a Sport Context

a sprinter running 100 meters in 10 seconds meaning they’re running at a speed of 10m/sec

What is Velocity?

the speed of a body in a given direction

How is Velocity Calculated?

displacement / time

Example of Velocity in a Sport Context

a sprinter running 100 meters in 10 seconds facing north meaning they’re running at a speed of 10m/sec north

What is Acceleration?

the rate at which the velocity of a body changes with respect to time

How is Acceleration Calculated?

change in velocity / time

Example of Acceleration in a Sport Context

a sprinter starting from a velocity of 0m/s to 10m/s in 10 seconds meaning they have an acceleration of 1m/s^-2