A 5-kg object is at rest on Earth. What is its weight, and what is its mass?
AWeight: 5 N, Mass: 49 kg
BWeight: 49 N, Mass: 5 kg
CWeight: 5 kg, Mass: 49 N
DWeight: 5 N, Mass: 5 kg
Explanation
📌 Mass is 5 kg (unchanged by location). Weight = mg = 5 × 9.8 = 49 N. Distractor A swaps values; C uses wrong units (mass in N, weight in kg — the classic units flip); D omits g entirely.