FORCES AND SPEED ISSUES
- Created by: Zara Rathod
- Created on: 17-03-13 17:51
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Speed Costs
reducing speed= reduces fuel usage= because air resistance is greater at high speed than at a low speed.
wind deflectors can be put on lorries: reduces air resis. on lorry= less engine force needed= les fuel used.
- force on a person struck by a car increases with speed. higher speed= higher force on person when hit.
Speed Cameras.
effective use from vehicle drivers speeding over a…
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