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3 cards from this section. Quick, good the night before a test.
What is super-elevation?
Think of how road design helps vehicles make turns safely.
Name a force acting on a vehicle during a turn.
It pushes outward when turning.
What does super-elevation aim to counteract?
Consider the forces involved when a vehicle turns.
True or False: Higher speeds on curves require lower super-elevation.
Think about how centrifugal force changes with speed.
A vehicle is moving at 25 m/s through a curve with a radius of 50 meters. Calculate the required super-elevation if friction coefficient is 0.15.
Convert speed into appropriate units and substitute into the equations.
Analyze how the curve design changes if the terrain shifts from flat to mountainous. What implications does this have on super-elevation?
Consider friction and vehicle dynamics when recalculating super-elevation for safety.
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