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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 829 · 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.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) start it moving (d) change its colour
  2. 2.True or false: hitting a cricket ball is a pull. (a) True (b) False
  3. 3.💪 Which force is at work: squeezing a lemon? (a) gravity (b) friction (c) muscular force (d) magnetic force
  4. 4.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) muscular force (c) gravity (d) magnetic force
  5. 5.💪 A box weighs 490 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  6. 6.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  7. 7.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  8. 8.Which of these is caused by friction? (a) a thrown ball comes down (b) a magnet picks up pins (c) a fridge magnet sticks (d) a rolling ball slows
  9. 9.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  10. 10.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  11. 11.True or false: a tug of war is a pull. (a) False (b) True
  12. 12.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  13. 13.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
  14. 14.💪 A cart is pulled to the right with 70 N and to the left with 85 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  15. 15.💪 A force is a … (a) unit of time (b) kind of colour (c) type of sound (d) push or a pull
  16. 16.True or false: opening a drawer is a pull. (a) False (b) True
  17. 17.Which of these is caused by muscular force? (a) rain falls to the ground (b) squeezing a lemon (c) a thrown ball comes down (d) a compass needle turns
  18. 18.True or false: kicking a football is a pull. (a) False (b) True
  19. 19.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  20. 20.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  21. 21.True or false: a tug of war is a push. (a) True (b) False
  22. 22.True or false: plucking a mango is a pull. (a) False (b) True
  23. 23.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  24. 24.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  25. 25.True or false: pulling up your socks is a pull. (a) False (b) True
  26. 26.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) friction (d) gravity
  27. 27.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  28. 28.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  29. 29.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
  30. 30.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) magnetic force (d) muscular force
  31. 31.True or false: pulling a cart is a push. (a) True (b) False
  32. 32.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  33. 33.Which of these is caused by gravity? (a) shoes grip the floor (b) a fridge magnet sticks (c) an apple falls down (d) a magnet picks up pins
  34. 34.Which of these is caused by friction? (a) a compass needle turns (b) rain falls to the ground (c) a magnet picks up pins (d) brakes stop a bicycle
  35. 35.True or false: plucking a mango is a push. (a) False (b) True
  36. 36.True or false: pushing a swing is a pull. (a) False (b) True
  37. 37.💪 A cart is pulled to the right with 75 N and to the left with 70 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  38. 38.True or false: pushing a trolley is a push. (a) True (b) False
  39. 39.True or false: pressing a doorbell is a push. (a) False (b) True
  40. 40.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push

Answer key

  1. change its colour
  2. False
  3. muscular force
  4. magnetic force
  5. 49
  6. a pull
  7. 60
  8. a rolling ball slows
  9. friction
  10. 5
  11. True
  12. a push
  13. newton (N)
  14. to the left
  15. push or a pull
  16. True
  17. squeezing a lemon
  18. False
  19. a push
  20. a push
  21. False
  22. True
  23. gravity
  24. 10
  25. True
  26. friction
  27. 150
  28. 59
  29. gravity
  30. gravity
  31. False
  32. gravity
  33. an apple falls down
  34. brakes stop a bicycle
  35. False
  36. False
  37. to the right
  38. True
  39. True
  40. a push

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