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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 987 · 40 questions
TalentJR

Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.

NameDateTime takenScore ___ / 40
  1. 1.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  2. 2.True or false: hitting a cricket ball is a push. (a) True (b) False
  3. 3.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  4. 4.Which of these is caused by magnetic force? (a) a river flows downhill (b) shoes grip the floor (c) lifting a school bag (d) a magnet picks up pins
  5. 5.True or false: opening a drawer is a push. (a) False (b) True
  6. 6.Which of these is caused by gravity? (a) shoes grip the floor (b) a thrown ball comes down (c) a rolling ball slows (d) brakes stop a bicycle
  7. 7.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) litre (L) (d) second (s)
  8. 8.💪 Two children push a box to the right, one with 50 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Two children push a box to the right, one with 15 N and the other with 70 N. What is the net (total) force on the box, in newtons?
  10. 10.💪 Which force is at work: pedalling a cycle? (a) gravity (b) magnetic force (c) muscular force (d) friction
  11. 11.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  12. 12.True or false: pushing a trolley is a push. (a) False (b) True
  13. 13.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  14. 14.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  15. 15.💪 A force is a … (a) push or a pull (b) unit of time (c) kind of colour (d) type of sound
  16. 16.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  17. 17.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.Which of these is caused by friction? (a) a compass needle turns (b) shoes grip the floor (c) a thrown ball comes down (d) lifting a school bag
  19. 19.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  20. 20.💪 Two children push a box to the right, one with 15 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  21. 21.Which of these is caused by friction? (a) lifting a school bag (b) a river flows downhill (c) rubbing hands warms them (d) rain falls to the ground
  22. 22.True or false: pulling a cart is a pull. (a) False (b) True
  23. 23.True or false: pulling a cart is a push. (a) False (b) True
  24. 24.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  25. 25.True or false: opening a drawer is a pull. (a) True (b) False
  26. 26.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) balanced (d) doubled
  27. 27.💪 A bag has a mass of 57 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  28. 28.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
  29. 29.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  30. 30.Which of these is caused by muscular force? (a) a river flows downhill (b) a rolling ball slows (c) lifting a school bag (d) a compass needle turns
  31. 31.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  32. 32.True or false: kicking a football is a pull. (a) False (b) True
  33. 33.💪 A bag has a mass of 20 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  34. 34.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) change its colour (d) stop it moving
  35. 35.💪 Two children push a box to the right, one with 5 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  36. 36.True or false: pushing a swing is a pull. (a) False (b) True
  37. 37.True or false: closing a drawer is a pull. (a) True (b) False
  38. 38.💪 Which force pulls everything towards the Earth? (a) gravity (b) friction (c) magnetism (d) wind
  39. 39.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  40. 40.True or false: plucking a mango is a pull. (a) True (b) False

Answer key

  1. a push
  2. True
  3. 240
  4. a magnet picks up pins
  5. False
  6. a thrown ball comes down
  7. newton (N)
  8. 55
  9. 85
  10. muscular force
  11. 90
  12. True
  13. a push
  14. 52
  15. push or a pull
  16. a pull
  17. 8
  18. shoes grip the floor
  19. a pull
  20. 105
  21. rubbing hands warms them
  22. True
  23. False
  24. a pull
  25. True
  26. balanced
  27. 570
  28. friction
  29. a pull
  30. lifting a school bag
  31. 20
  32. False
  33. 200
  34. change its colour
  35. 30
  36. False
  37. False
  38. gravity
  39. a push
  40. True

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