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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 654 · 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.💪 A box weighs 570 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  2. 2.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  3. 3.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  4. 4.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.💪 A bag has a mass of 19 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  6. 6.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) change its shape (d) stop it moving
  7. 7.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  8. 8.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) friction (c) gravity (d) muscular force
  9. 9.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  10. 10.💪 A cart is pulled to the right with 45 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  11. 11.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  12. 12.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  13. 13.True or false: pushing a swing is a pull. (a) False (b) True
  14. 14.💪 A box weighs 490 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  15. 15.True or false: opening a drawer is a pull. (a) True (b) False
  16. 16.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  17. 17.💪 A bag has a mass of 52 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.💪 A bag has a mass of 43 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  19. 19.Which of these is caused by friction? (a) a magnet picks up pins (b) squeezing a lemon (c) rain falls to the ground (d) a rolling ball slows
  20. 20.💪 Which force is at work: a magnet picks up pins? (a) friction (b) gravity (c) magnetic force (d) muscular force
  21. 21.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  22. 22.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  23. 23.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  24. 24.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  25. 25.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) gravity (d) friction
  26. 26.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
  27. 27.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
  28. 28.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) gravity (d) magnetic force
  29. 29.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a compass needle turns (c) a river flows downhill (d) shoes grip the floor
  31. 31.True or false: pressing a doorbell is a push. (a) False (b) True
  32. 32.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
  33. 33.True or false: plucking a mango is a push. (a) True (b) False
  34. 34.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  35. 35.💪 Which force is at work: pedalling a cycle? (a) friction (b) gravity (c) muscular force (d) magnetic force
  36. 36.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 50 N. What is the size of the net force, in newtons?
  37. 37.💪 Two children push a box to the right, one with 65 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  38. 38.💪 A box weighs 270 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 A bag has a mass of 47 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  40. 40.💪 A bag has a mass of 49 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

Answer key

  1. 57
  2. a push
  3. a push
  4. 40
  5. 190
  6. change its colour
  7. 70
  8. muscular force
  9. a push
  10. to the right
  11. 150
  12. a pull
  13. False
  14. 49
  15. True
  16. a pull
  17. 520
  18. 430
  19. a rolling ball slows
  20. magnetic force
  21. a push
  22. 10
  23. 15
  24. a pull
  25. gravity
  26. push or a pull
  27. gravity
  28. gravity
  29. 240
  30. a river flows downhill
  31. True
  32. friction
  33. False
  34. a push
  35. muscular force
  36. 35
  37. 110
  38. 27
  39. 470
  40. 490

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