1. Forces Vocab My Favorite Forces May the Force be with you Forces? No, motion! No… ??? Speed and Velocity 100 200 300 400 500

2. Forces 100 When two unequal forces act in opposite directions, are they balanced or unbalanced? UNBALANCED BACK

3. Forces 200 Why does a piece of paper lay motionless on your desk? GRAVITY PULLS DOWN AND TABLE PUSHES UP – BALANCED FORCES BACK

4. Forces 300 When two equal forces act on the same object in opposite directions, what is the net force? ZERO BACK

5. Forces 400 Which diagram shows the correct combination of the following forces? ANSWER: A BACK

6. Forces 500 What is the name of the tool best used to measure Force? SPRINGSCALE BACK

7. Vocab 100 What are equal forces acting on an object in opposite directions called? BALANCED FORCES BACK

8. Vocab 200 This is a force that opposes motion when two surfaces touch or rub against each other. FRICTION BACK

9. Vocab 300 This is the vertical force exerted by a mass as a result of gravity WEIGHT BACK

10. Vocab 400 What is the rate at which velocity changes? ACCELERATION BACK

11. Vocab 500 The tendency of an object to resist change in its motion INERTIA BACK

12. My Favorite Forces 100 Friction always acts in a direction that is the direction of movement. OPPOSITE BACK

13. My Favorite Forces 200 Weight is the measure of the force of on an object GRAVITY BACK

14. My Favorite Forces 300 Does mass increase, decrease or stay the same when an object is taken from Earth to the moon? MASS ALWAYS STAYS THE SAME BACK

15. My Favorite Forces 400 Which lab cart will result in the cart moving 50 N to the left? B BACK

16. My Favorite Forces 500 The two main outside forces acting on almost everything on Earth are and FRICTION and GRAVITY BACK

17. May the Force be with you 100 The Law of Inertia is also called what? NEWTON’S FIRST LAW OF MOTION BACK

18. May the Force be with you 200 The scientific study of the interaction between matter and energy is PHYSICS BACK

19. May the Force be with you 300 Weight measures the “force of gravity” of an object. What is the formula that can be used to calculate an object’s weight? F = ma BACK

20. May the Force be with you 400 The greater the mass of an object, the its inertia GREATER BACK

21. May the Force be with you 500 What is the acceleration due to gravity that is used to find the weight of an object with a given mass? 9.8 m / s 2 BACK

22. Forces? No, motion! No… ? 100 The measure of the distance traveled in a given time SPEED BACK

23. Forces? No, motion! No… ? 200 What law is this: an object in motion will remain in motion and an object at rest will remain at rest until acted upon by an outside force? NEWTON’S FIRST LAW BACK

24. Forces? No, motion! No… ? 300 What is the difference between speed and velocity? VELOCITY MUST HAVE A DIRECTION BACK

25. Forces? No, motion! No… ? 400 What law can be summed up as: Force = Mass x Acceleration NEWTON’S 2 ND LAW BACK

26. Forces? No, motion! No… ? 500 What law can be summed up as: For every action, there is an equal and opposite reaction? NEWTON’S 3 RD LAW BACK

27. Speed and Velocity 100 On the graph above, what variable is always on the x- axis? TIME BACK

28. Speed and Velocity 200 On a speed graph, when the line is horizontal, what is happening? THE OBJECT DOES NOT HAVE MOTION / STOPPED BACK

29. Speed and Velocity 300 Distance (m) Which line on the graph above show the fastest speed? LINE C BACK

30. Speed and Velocity 400 What do you call speed in a given direction? VELOCITY BACK

31. Speed and Velocity 500 On an speed graph, when the line is at an angle, what is happening? THE OBJECT IS MOVING AT A CONSTANT SPEED BACK