Содержание
- 2. First Example of 3rd Law A horse harnessed to a cart exerts an equal and opposite
- 3. Second Example of 3rd Law Space shuttle’s rocket boosters propel the orbiter into space by exerting
- 4. Concept Question 1 Why are we able to walk?
- 5. Concept Question Answer We walk forward because when one foot pushes backward against the ground, the
- 6. Concept Question 2 What makes a car go forward?
- 7. Concept Question answer By Newton’s third law, the ground pushes on the tires in the opposite
- 8. Concept Question Which is stronger, the Earth’s pull on an orbiting space shuttle or the space
- 9. Concept Question Answer According to Newton’s Third Law, the two forces are equal and opposite. Because
- 10. Problem 1 What force is needed to accelerate the 60 kg cart at 2m/s^2?
- 11. How to solve Problem 1 What force is needed to accelerate the 60kg cart at 2
- 12. Problem 2 A force of 200 N accelerates a bike and rider at 2 m/s^2. What
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