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This question is from example 10 in the fitzpatrick textbook A car of mass 1 tonne passes over a bridge formed by the arc of a circle of radius 10 meters. i) Find the force exerted by the car on the road at the top of the bridge if the car is traveling at 8m/s. ii) What speed would...

I keep hearing that rankings are more important than the actual marks, is this really true and if so how its actually used in scaling. Also lets say your marks are pretty average (say 60%) but you manage to achieve 1st rank, what does this mean in terms of scaled marks in comparative to a 80%...