Q1. A 100 kg truck moving at 10 m/s runs into a concrete wall. it takes 1.0 sec for the truck to completely stop. What is the magnitude of force exerted on the truck during the collison?
Q2. A player pushes a 300 N person riding a blocking sled up a 6.0 m long ramp using a force of 150 N. the peson was raised a vertical distance of 3.0 m the actual work done by the worker was?