a. Two 3 kg balls are each dropped from a tower, one on the moon, the other one on Earth. During the fall, the net forces on each are the same. b. You are standing on a jet-powered platform that can move straight up or down. Your apparent weight is greater than your true weight if the platform is ascending and speeding up. c. Mass and weight describe the same thing, although in different units. d. An astronaut stands on a bathroom scale on the surface of Jupiter; the scale does not read the astronaut's true weight. e. You pour 100 g of salt onto a spring scale in an elevator accelerating upward. The scale reads a value greater than 100 g. Answer True, False, or Cannot tell to each of the five statements below. E.g., if the answer to the first statement is 'true' and to the rest, 'cannot tell', enter .