1. a) A loaded truck is crossing a bridge. How much pressure would be exerted by each tire from a truck with a mass 2000 kg if the load on the truck is evenly distributed? Each tire contacts the road with a footprint of .25 meters.
1. b) How much stress would be exerted on the bridge by each tire from a truck with a mass 2000 kg if the load on the truck is evenly distributed? Each tire contacts the road with a footprint of 0.25 m2.
1. c) How much stress would be exerted on a 10,000 m2 bridge from 20 trucks with a mass 2000 kg each?
