Across
- 1. the SI unit for mass
- 5. Within one dimension, at the instant that an object changes direction, what is its velocity?
- 8. The formula to calculate an object’s weight is W = __
- 9. The motion of an object in one dimension is completely _____ of its motion in other dimensions
- 11. units for acceleration are meters per second _____
- 14. An object's velocity does not change unless the object is acted on by an ________ force
- 15. an object is slowing down if its velocity and acceleration are in ______ directions
- 17. final position minus initial position
- 20. True or false: All objects on Earth experience the same force of gravity
- 22. if an object is speeding up, the slope on a position vs. time graph will get ______
- 23. an object moving at a constant velocity has a position function of time that is a _______ function
- 24. the absolute value of the slope in a position vs. time graph is an object's _______
- 28. the slope in a position vs. time graph is the object's _______
- 30. an object with a velocity of 3 m/s and acceleration of -2 m/s/s is moving in the ______ direction
- 32. the net force on an object and the object's acceleration are always in the ______ direction
- 33. An object does not _____ unless it is acted on by an unbalanced force
- 34. _____ force is the sum of all forces
- 35. a _____ newton is a fruity cookie
- 37. Any quantity that has both magnitude and direction is a ______
- 38. Newton's first name
- 39. A force is a pull or a ______
- 41. inertia is an object's tendency to _____ its state of motion
- 44. acceleration is the _____ of change of velocity
- 45. an object that is not accelerating has a ______ velocity
- 47. Isaac Newton's title
Down
- 2. projectile motion is the motion of an object that is experiencing only the force of _____
- 3. In Physics class, we often _____ air resistance
- 4. Does the sign on an acceleration value indicate the direction in which the object is moving?
- 6. an object with a velocity of -6 m/s and acceleration of 2 m/s/s is moving in the ______ direction
- 7. the country in which Isaac Newton lived
- 8. the factor that affects how much inertia an object has
- 10. space in which there is no matter
- 12. In two dimensions, the direction of a vector is given by an _____
- 13. acceleration is a measure of how quickly an object's ______ is changing
- 16. Newton's second law is Fnet = __
- 18. x is the symbol that represents an object's ______
- 19. Are "gravity" and "acceleration due to gravity" the same?
- 21. in the term "normal force," "normal" means _____
- 25. gravity is a ______ between any two objects with mass
- 26. average speed is ______/time
- 27. Is it possible for an object to be accelerating but not be moving?
- 29. Newton's First Law of Motion is also called Law of _______
- 31. a scalar quantity has ______ but does not have physical direction
- 36. A person in free fall feels weightless because there is no _______ force being exerted on them
- 40. the amount of matter in an object
- 42. the unit in which force is measured
- 43. How many directions are in one dimension?
- 46. the normal force is exerted by _____ surfaces in order to prevent objects from going through them