Practice Questions: AnswersTrue or False: 1) True 2) False: A contact force must touch the object that they push or pull 3) False: Friction is a common contact force, and gravity is a common action-at-a-distance force 4) True 5) True 6) True
Weight vs Mass Practice Questions: 1 a) Weight 1 b) Mass 1 c) Weight 1 d) Mass
Weight vs Mass Practice Questions: 1 a) Weight 1 b) Mass 1 c) Weight 1 d) Mass
2 a) F = mg F = 23 kg x 9.8 N/kg F = 225.4 N
2 b) F = mg F = 65 kg x 9.8 N/kg F = 637 N
2 c) F = mg F = 92 kg x 9.8 N/kg F = 901.6 N
2 d) F = mg F = 174 kg x 9.8 N/kg F = 1705.2 N
3a) 9.0 kg
3b)F = mgF = 9.0 kg x 9.8 N/kgF = 88.2 N
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