Across
- 3. friction that occurs as an object moves through a fluid
- 4. a diagram used to show the relative magnitude and direction of all forces acting upon an object in a given direction
- 7. distance an object travels per unit of time
- 9. the tendency of an object to resist a change in motion
- 14. the force that two surfaces exert on each other when they rub against each other
- 15. distance or length measured in one direction
- 18. combination of all the forces acting on an object
- 20. object’s distance and direction from a reference point
- 21. the force that the ground (or any surface) pushes back up with.
- 26. a force that causes an object to move in a circle
- 27. the motion of an object does not change if the net force on an object is zero
- 28. a measure of the force of gravity on an object
- 31. a force caused by air, acting in the opposite direction of a moving object
- 34. a push or pull exerted on an object
- 35. forces that two objects apply to each other
- 37. a force that is applied to an object by a person or another object
- 39. states that an object’s acceleration depends on its mass and on the net force acting on it
- 40. states that the force of gravity acts between all objects in the universe that have mass
- 43. to indicate or identify
- 44. the amount of matter in an object
- 45. friction that occurs when an object rolls over a surface
- 46. given direction from a starting point to describe an object’s position
- 47. the rule that in the absence of outside forces the total momentum of objects that interact does not change
Down
- 1. one of the two factors that affect the gravitational attraction between objects
- 2. difference between initial position and final position of an object
- 5. the attractive force between objects; the force that moves objects downhill
- 6. the product of an object’s mass and velocity
- 8. process of changing position
- 10. a unit of measurement that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second
- 11. combined forces that form a net force that is not zero
- 12. any motion in which an object is moving along a curved path
- 13. speed at a specific instant in time
- 16. friction that occurs when one solid surface slides over another
- 17. friction that acts between objects that are not moving
- 19. rate of change of position in which the same distance is traveled each second
- 22. combined forces form a net force of zero
- 23. the SI unit of mass
- 24. distance divided by time
- 25. a push or pull on an object by another object that is touching it
- 29. the motion of a falling object when the only force acting on it is gravity
- 30. speed and direction of a moving object
- 32. compared to
- 33. for every action there is an equal and opposite reaction
- 36. starting point you choose to describe the location, or position, of an object
- 38. an English physicist and mathematician famous for his laws of physics
- 41. the rate at which velocity changes
- 42. an arrow used to show a force’s magnitude and direction.