Across
- 2. friction found at the boundary between liquids, gases, or both liquid and gas
- 5. a simple lifting maching using a wheel on a cylindrical drum or shaft to provide mechanical advantage when lifting objects
- 7. a type of force that is inserted into a simple or complex machine
- 10. energy as a result of radioactive decay, fusion, or fission of nuclear isotopes
- 12. friction between an object that is rotating across a surface and the surface with which the object is rotating
- 15. the acceleration of an object being pulled to the center of a much larger object
- 20. friction between a surface and an object as the object slides across the surface
- 22. ratio of force produced by a machine to the force applied to it, used in assessing the performance of the machine
- 24. energy as a result of a flow of electrons
- 30. type of simple machine that contains a wedge revolving around a rigid cylinder
- 32. the mass of an object and the acceleration with which the object is being pulled
- 33. a measure of displacement over time
- 34. a prediction of the mechanical advantage for a machine
- 36. the resistance of an object to changes in motion as a result of their mass, often compared with momentum
- 37. the stoppage of acceleration due to gravity because of air resistance
- 39. causes an object to move or change direction, can be measured by mediclorians in the blood
- 41. an object being pulled by the lone force of gravity
- 43. the shortest distance between two points of reference
- 44. a collection of simple machines that work together greatly increasing mechanical advantage
- 45. the amount of force exerted over a distance
- 46. the sum of opposing or convergent forces
- 47. the speed of an object as a summary of the duration of the motion
- 48. energy as a result of simple machines
Down
- 1. background or reference that is stationary that provides evidence for an object in motion
- 3. forces that are equal and opposed
- 4. the speed of an object at any one point in time
- 6. the measured mechanical advantage that is compared to and calculated with the ideal advantage
- 8. much like a wheel and axle, but with the wheel having a set groove
- 9. the opposing force to gravity cause by air particles
- 11. point of reference used as evidence of an object's distance and displacement
- 13. a type of force exerted by a simple of complex machine
- 14. type of simple machine involving a rigid bar set on a pivot point like a handle, crank, or wrench
- 16. energy of motion
- 17. diagram that measures and illustrates an object's motion
- 18. the measure of work performed over time
- 19. an object with a think end that tapers down to a thin end, is driven into an object to secure or separate other objects
- 21. a plane that is set at an incline compared to a horizontal plane
- 23. the amount of matter in an object
- 25. a measure of work out over work in, presented as a percentage, 100% can never be reached
- 26. resistant force of a surface - surface interaction
- 27. energy at rest, increase with the height of an object
- 28. the time it takes an object to increase or decrease in velocity
- 29. friction that causes an object to stay stationary
- 31. energy as a result of the movement of particles in a substance, can cause phase changes
- 35. measurement between two points of reference
- 38. energy as a result of a chemical reaction
- 40. forces that are not equal and/or opposed
- 42. force that is the result of a mass in motion, often compared with inertia