Goal: Reasoning with energy
Source: UMPERG-ctqpe62
Two
identical blocks fall a distance H. One falls directly down, the other
slides down a frictionless incline. Which has the largest speed at the
bottom?
- The one falling vertically
- The one on the incline
- Both have the same speed
- Cannot be determined
Commentary:
Answer
(3) The only force doing work is gravity and both block undergo
the same vertical displacement.