In one day, a 75 kg mountain climber ascends from the 1480 m level on a vertical cliff to the top at 2400 m . the next day, she descends from the top to the base of the cliff, which is at an elevation of 1260 m .

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive