What are two ways engineers use their understanding of KE and PE to make their designs better/safer?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

In order to do work, the force vector must be in the same direction as the acceleration vector. in a different direction than the displacement vector. in a different direction than the acceleration vector. in the same direction as the displacement vector and the motion.