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Eighth Grade Science Summative Forces and Newton's Laws Study Guide
1. Which way will the box move?
2. What is friction?
3. What is the 1st Law of Motion?
4. What is the 2nd Law of Motion?
5. What is the 3rd Law of Motion?
4. What causes an object to move?
5. Which of Newton's Laws describes how force and mass affect acceleration?
6. What is required to overcome inertia?
7. What is the acceleration of an object is inversely related to?
8. If you increase the force on an object, what else is likely to increase?
9. If two forces act on an object in different directions, how do you find the net force?
10. What is demonstrated when Mrs. Wade pulls the tablecloth out from under the beakers on a table. What can be said about the beakers?
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11. Describe the forces in the diagram above. What is the net force?
12. What is terminal velocity?
13. What can be said about the speed of a parachute who reaches terminal velocity?
FYI: = Force of air resistance = Force of gravity
14. What is inertia?
15. What is a force?
16. What is the unit of measurement for force?
17. Give an example of a balance force.
18. Give an example of an unbalanced force.
19. What can be said about the reaction force when you set a vase on a table?
20. What happens when an unbalanced force acts upon an object?
21. What is the acceleration of an object is directly related to?
22. What is the relationship between mass and inertia?
23. What will happen to a toy car if you apply an unbalanced constant force on it?
24. What is the amount of force needed to accelerate an object proportional to?
27. What makes it harder to change the motion of a truck than that of a motorcycle?
28. Which is easier to accelerate, a baseball or a ping pong ball? Explain your answer.
29. Why can a car accelerate faster than a truck?
30. If two objects with different masses are in motion, how does the difference in mass affect the force needed to make the objects achieve the same acceleration?
31. What is acceleration?
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