Answer:
8.
m= 0. 113 kg
W = 1.1074 N
g = 9.8 m/ s²
9.
m= 870 kg
W = 8526 N
g = 9.8 m/s²
10.
a) weight on earth:
weight = mass × acceleration due to gravity (g)
g on earth = 9.8 m/s²
W = 75 × 9.8
W = 735 N
b) g on Mars
285 = 75 × g
g = 285/ 75
g = 3.8 m/ s²
