Teacher Guide & Answers - Glencoe/McGraw-Hill

2. First Law of Motion. The rock stays at rest at the top of the hill until the boy applies force that sends it rolling downhill. Sections 2 (page 115) 1. gravity 6. attraction. 2. acceleration 7. mass. 3. force 8. velocity. 4. normal force 9. accelerate. 5. Newtons. Key Terms (page 116) 1. net force. 2. force. 3. friction. 4. acceleration. 5 ... ................
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