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Flashcards

LEARN IT: 5 Forces

Isleworth Physics Physics GCSE Inglês 89 flashcards

LEARN IT: 5 Forces

Flashcards do conjunto (89)

  1. 1What is the difference between a scalar and a vector?What is the difference between a scalar and a vector?
  2. 2List examples of scalarsList examples of scalars
  3. 3List examples of vectorsList examples of vectors
  4. 4How can you draw a vector?How can you draw a vector?
  5. 5What is the difference between a contact force and a non-contact force?What is the difference between a contact force and a non-contact force?
  6. 6List examples of contact forcesList examples of contact forces
  7. 7List examples of non-contact forcesList examples of non-contact forces
  8. 8What is weight?What is weight?
  9. 9How are weight and mass different?How are weight and mass different?
  10. 10What is the mathematical relationship between weight and mass?What is the mathematical relationship between weight and mass?
  11. 11What is the formula that links mass and weight?What is the formula that links mass and weight?
  12. 12What instrument can be used to measure weight?What instrument can be used to measure weight?
  13. 13What is meant by ‘centre of mass’What is meant by ‘centre of mass’
  14. 14What does resultant force mean?What does resultant force mean?
  15. 15A 2N force and a 5N force are acting on an object in the same direction (to the right). What is the resultant force?A 2N force and a 5N force are acting on an object in the same direction (to the right). What is the resultant force?
  16. 16A 2N force acts left and a 5N force acts right on an object. What is the resultant force?A 2N force acts left and a 5N force acts right on an object. What is the resultant force?
  17. 17What does a free-body force diagram show?What does a free-body force diagram show?
  18. 18If two forces are acting on an object in different directions, how could you use a scale diagram to find the magnitude and direction of the resultant force?If two forces are acting on an object in different directions, how could you use a scale diagram to find the magnitude and direction of t...
  19. 19What are the two components that you can split a resultant force into?What are the two components that you can split a resultant force into?
  20. 20What is work done?What is work done?
  21. 21What is another term for work done?What is another term for work done?
  22. 22What formula is used to calculate work done?What formula is used to calculate work done?
  23. 23What is the definition of 1 joule (hint – it comes from the formula for work done)What is the definition of 1 joule (hint – it comes from the formula for work done)
  24. 24What are the alternative units for the joule?What are the alternative units for the joule?
  25. 25What way do frictional forces always act on moving objects?What way do frictional forces always act on moving objects?
  26. 26What happens to the temperature of an object when work is done against friction forces?What happens to the temperature of an object when work is done against friction forces?
  27. 27Why is more than one force needed to change the shape of an object?Why is more than one force needed to change the shape of an object?
  28. 28What is the difference between elastic deformation and inelastic deformation?What is the difference between elastic deformation and inelastic deformation?
  29. 29What is the relationship between the extension of an spring and the force applied?What is the relationship between the extension of an spring and the force applied?
  30. 30What is the formula that links force and extension of a spring?What is the formula that links force and extension of a spring?
  31. 31If an object is compressed, rather than stretched, what does e stand for?If an object is compressed, rather than stretched, what does e stand for?
  32. 32What type of energy is stored when something is stretched or compressed?What type of energy is stored when something is stretched or compressed?
  33. 33If a spring is elastically deformed, what is the relationship between the work done on the spring and the elastic potential energy stored?If a spring is elastically deformed, what is the relationship between the work done on the spring and the elastic potential energy stored?
  34. 34What is the difference between a directly proportional relationship, a linear relationship and a non-linear relationship?What is the difference between a directly proportional relationship, a linear relationship and a non-linear relationship?
  35. 35Sketch a graph to show how force and extension are lined (including beyond the limit of proportionality)Sketch a graph to show how force and extension are lined (including beyond the limit of proportionality)
  36. 36What is the limit of proportionality?What is the limit of proportionality?
  37. 37How could you find the spring constant from a force-extension graph?How could you find the spring constant from a force-extension graph?
  38. 38What formula is used to calculate the work done in stretching (or compressing) a spring?What formula is used to calculate the work done in stretching (or compressing) a spring?
  39. 39How are distance and displacement different?How are distance and displacement different?
  40. 40What are typical values for the speed of walking, running and cycling?What are typical values for the speed of walking, running and cycling?
  41. 41Why is the speed of an object not usually constant?Why is the speed of an object not usually constant?
  42. 42What is the typical value for the speed of sound in air?What is the typical value for the speed of sound in air?
  43. 43What is the formula used to calculate the speed on an object?What is the formula used to calculate the speed on an object?
  44. 44What does uniform motion mean?What does uniform motion mean?
  45. 45What is velocity?What is velocity?
  46. 46If something is moving in a circle, explain why it can have a constant speed, but the velocity changes?If something is moving in a circle, explain why it can have a constant speed, but the velocity changes?
  47. 47In a distance-time graph, how would you identify: A stationary object An object travelling with a constant speed An object reversing at a constant speed An object accelerating An object deceleratingIn a distance-time graph, how would you identify: A stationary object An object travelling with a constant speed An object reversing at a...
  48. 48How could you find the speed of an object in a distance-time graph?How could you find the speed of an object in a distance-time graph?
  49. 49How could you find the speed of an object in a distance-time graph if it is a curve?How could you find the speed of an object in a distance-time graph if it is a curve?
  50. 50In a velocity-time graph, how would you identify: A stationary object An object travelling with a constant speed An object accelerating at a constant rate An object decelerating at a constant rateIn a velocity-time graph, how would you identify: A stationary object An object travelling with a constant speed An object accelerating a...
  51. 51How can you find acceleration or deceleration from a velocity time graph?How can you find acceleration or deceleration from a velocity time graph?
  52. 52How can you find the distance traveled in a velocity-time graph?How can you find the distance traveled in a velocity-time graph?
  53. 53How can you find the area under a velocity-time graph if it was a curve?How can you find the area under a velocity-time graph if it was a curve?
  54. 54What would non-uniform acceleration or deceleration look like in a velocity-time graph?What would non-uniform acceleration or deceleration look like in a velocity-time graph?
  55. 55What are the units for acceleration?What are the units for acceleration?
  56. 56What is the formula that links acceleration, change in velocity and time?What is the formula that links acceleration, change in velocity and time?
  57. 57What is the formula that links initial velocity, final velocity, acceleration and distance?What is the formula that links initial velocity, final velocity, acceleration and distance?
  58. 58What is the acceleration for an object falling due to gravity?What is the acceleration for an object falling due to gravity?
  59. 59What is the deceleration of an object being thrown up in the air?What is the deceleration of an object being thrown up in the air?
  60. 60What two forces are acting on a ball falling through a fluid?What two forces are acting on a ball falling through a fluid?
  61. 61Why does an object falling through a fluid accelerate at the start, and then travel at a constant speed?Why does an object falling through a fluid accelerate at the start, and then travel at a constant speed?
  62. 62What is Newton’s first law?What is Newton’s first law?
  63. 63How does Newton’s first law explain a car moving at a constant speed?How does Newton’s first law explain a car moving at a constant speed?
  64. 64What is inertiaWhat is inertia
  65. 65What is Newton’s second law in words?What is Newton’s second law in words?
  66. 66What is the equation for Newton’s second law?What is the equation for Newton’s second law?
  67. 67What could a resultant force on a moving object cause to happen?What could a resultant force on a moving object cause to happen?
  68. 68What is inertial massWhat is inertial mass
  69. 69What does this symbol ⁓ mean?What does this symbol ⁓ mean?
  70. 70What is Newton’s third law?What is Newton’s third law?
  71. 71What is important about the Newton’s third law pairs?What is important about the Newton’s third law pairs?
  72. 72What is stopping distance?What is stopping distance?
  73. 73How does speed affect stopping distance for a given braking force?How does speed affect stopping distance for a given braking force?
  74. 74What are typical values for reaction time?What are typical values for reaction time?
  75. 75What factors affect a driver’s reaction time?What factors affect a driver’s reaction time?
  76. 76State some ways of measuring reaction timeState some ways of measuring reaction time
  77. 77What factors affect braking distance?What factors affect braking distance?
  78. 78When a force is applied to the brakes of a car, work is done. Why?When a force is applied to the brakes of a car, work is done. Why?
  79. 79What is the relationship between the speed of a car and the braking force needed to stop it?What is the relationship between the speed of a car and the braking force needed to stop it?
  80. 80What are the dangers of large decelerations?What are the dangers of large decelerations?
  81. 81Estimate the forces involved in deceleration a car on a normal roadEstimate the forces involved in deceleration a car on a normal road
  82. 82What is momentum?What is momentum?
  83. 83What are the units for momentum?What are the units for momentum?
  84. 84What is the law of conservation of momentum?What is the law of conservation of momentum?
  85. 85Explain what is happening, in terms of momentum, when two cars collide. One is stationary before the collision (car A). The cars stick togetherExplain what is happening, in terms of momentum, when two cars collide. One is stationary before the collision (car A). The cars stick to...
  86. 86Explain what is happening, in terms of momentum if someone steps off a stationary boatExplain what is happening, in terms of momentum if someone steps off a stationary boat
  87. 87Investigate the relationship between force and extension for a springInvestigate the relationship between force and extension for a spring
  88. 88Investigate the effect of varying the force on the acceleration of an object of constant massInvestigate the effect of varying the force on the acceleration of an object of constant mass
  89. 89Symbols, names and units for equationsSymbols, names and units for equations

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GCSE Physics FlashCards sobre LEARN IT: 5 Forces, criado por Isleworth Physics em 04-06-2018.
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