4.18.24 Movement Legacies, Reflection, and Review.pptx
Ppt djy 2012 topic 6.1 - nulog practice problems
1. IB Physics Power Points Topic 6 SL Fields and Forces www.pedagogics.ca Newton’s Universal Law of Gravitation – Practice Problems
2. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. A 50 kg student in an elevator accelerating downwards at 3 ms-2 A 50 kg student in an elevator falling freely
3. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest
4. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest
5. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest weight = 50 kg x 10 ms-2 = 500 N 500 N mg
6. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest 500 N Fg
7. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest 500 N W
8. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest FN 500 N 500 N mg
9. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1.
10. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. FN 500 N 500 N mg
11. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. FN 500 N 500 N mg
12. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. FN ? 500 N mg
13. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. FN ? Fnet ma ma = 50 x 1 = 50 N 500 N mg
14. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. FN 550 N 500 N mg
15. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. A 50 kg student in an elevator accelerating downwards at 3 ms-2 FN 350 N 500 N mg
16. 1. Draw free body diagrams (including annotations and calculated values) representing the following situations (consider g = 10 ms-2) A 50 kg student in an elevator at rest A 50 kg student in an elevator moving downwards at 2 ms-1. A 50 kg student in an elevator moving upwards at 5 ms-1. A 50 kg student in an elevator accelerating upwards at 1 ms-2. A 50 kg student in an elevator accelerating downwards at 3 ms-2 A 50 kg student in an elevator falling freely 500 N mg
17. 2. Which of the following graphs shows how the gravitational force varies with the distance of separation between two objects?
18. 3. A satellite experiences a gravitational force of 228 N at an altitude of 4.0 × 107 m above Earth. www.pedagogics.ca What is the mass of this satellite? 23 kg 650 kg 910 kg 1 200 kg
19. 4. A rock drops from a very high altitude towards the surface of the moon. Which of the following is correct about the changes that occur in the rock’s mass and weight?