There is a parabolic shaped bridge across a river of width

Last updated: 6/11/2023

There is a parabolic shaped bridge across a river of width 100 m The highest point of the bridge is 5 m above the level of the banks A car of mass 1000 kg is crossing the bridge at a constant speed of 20 ms 1 m Using the notation indicated in the figure find the force exerted on the bridge by the car when it is at the highest point of the bridge Ignore air resistance and take g as 10 ms A 6 4 KN C 8 4 KN B 7 2 KN D 9 2 KN