A stone is dropped from rest from the edge of a cliff
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A stone is dropped from rest from the edge of a cliff. Ignoring air resistance, which statement correctly describes how its kinetic energy (K) and gravitational potential energy (U) change as it falls?
(a) K decreases, U increases
(b) Both K and U decrease
(c) K increases, U decreases
(d) K remains constant, U decreases