Starter Force (newtons, N) Mass (kilograms, Kg) Acceleration (m/s 2 ) 16200.80 2004005.0 8407012 2.40.406.0 5000250000.20.

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Presentation transcript:

Starter Force (newtons, N) Mass (kilograms, Kg) Acceleration (m/s 2 )

On the Road L.O.:  Work out what is the resultant force of a vehicle travelling at constant velocity.  Define: thinking distance, breaking distance and stopping distance.  Explain what factors can increase the stopping distance of a vehicle.

Velocity (m/s) Time (s) Boy jumps into road Driver presses breaks Car stops What determines the Stopping Distance?

The thinking distance is the distance travelled by the vehicle in the time it takes the driver to react. The breaking distance is the distance the vehicle travels under the braking force. Stopping distance = thinking distance + breaking distance.

In groups discuss how to fill in this table. Factors affecting the thinking distance Factors affecting the breaking distance. Stopping distances.wmv

In groups discuss how to fill in this table. Factors affecting the thinking distance Factors affecting the breaking distance. Influence on alcohol and drugs Fatigue/stress Distractions Excessive Velocity Mass of the Car Road Conditions Tyre Conditions Weather Conditions Stopping distances.wmv

To do: 1)Workbook page 65. 2)Worksheet 3c

On the Road L.O.:  Work out what is the resultant force of a vehicle travelling at constant velocity.  Define: thinking distance, breaking distance and stopping distance.  Explain what factors can increase the stopping distance of a vehicle.