19. Mr. Demster's motorcycle has a mass of 256 kg on Earth. What would its mass be on the moon?
A. 256 N
B.
C. 2.4 N
D.
256 kg
2.4 kg


20. What would the mass of Pierre's backpack be if it weighs 226 N?
A. 23.06 kg
B.
23.06 N
C. 2,214.8 kg
D. 2,214.8 N