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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 418 · 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.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 85 N. What is the size of the net force, in newtons?
  2. 2.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  3. 3.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
  4. 4.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  6. 6.💪 A bag has a mass of 12 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  7. 7.True or false: pulling up your socks is a pull. (a) True (b) False
  8. 8.True or false: hitting a cricket ball is a pull. (a) False (b) True
  9. 9.💪 A bag has a mass of 38 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  10. 10.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  11. 11.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) metre (m) (d) second (s)
  12. 12.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  13. 13.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
  14. 14.💪 A cart is pulled to the right with 35 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  15. 15.True or false: pulling up your socks is a push. (a) True (b) False
  16. 16.💪 Two children push a box to the right, one with 50 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  17. 17.True or false: pulling a cart is a push. (a) True (b) False
  18. 18.💪 Which force is at work: an apple falls down? (a) friction (b) muscular force (c) gravity (d) magnetic force
  19. 19.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  20. 20.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  21. 21.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
  22. 22.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  23. 23.💪 Two children push a box to the right, one with 85 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  24. 24.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  25. 25.Which of these is caused by gravity? (a) a magnet picks up pins (b) squeezing a lemon (c) brakes stop a bicycle (d) a river flows downhill
  26. 26.💪 Two children push a box to the right, one with 25 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Two children push a box to the right, one with 30 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  29. 29.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) friction (c) muscular force (d) magnetic force
  30. 30.Which of these is caused by magnetic force? (a) a compass needle turns (b) squeezing a lemon (c) rain falls to the ground (d) a river flows downhill
  31. 31.💪 A box weighs 90 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  32. 32.💪 A cart is pulled to the right with 90 N and to the left with 80 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  33. 33.True or false: pressing a doorbell is a push. (a) True (b) False
  34. 34.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) muscular force (c) friction (d) gravity
  35. 35.💪 A cart is pulled to the right with 55 N and to the left with 70 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  36. 36.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) muscular force (c) gravity (d) friction
  37. 37.True or false: pushing a trolley is a push. (a) True (b) False
  38. 38.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
  39. 39.Which of these is caused by muscular force? (a) an apple falls down (b) shoes grip the floor (c) a compass needle turns (d) squeezing a lemon
  40. 40.Which of these is caused by gravity? (a) a rolling ball slows (b) brakes stop a bicycle (c) rain falls to the ground (d) pedalling a cycle

Answer key

  1. 10
  2. a push
  3. muscular force
  4. 15
  5. 14
  6. 120
  7. True
  8. False
  9. 380
  10. 35
  11. newton (N)
  12. 30
  13. gravity
  14. to the right
  15. False
  16. 65
  17. False
  18. gravity
  19. a push
  20. a pull
  21. push or a pull
  22. a push
  23. 125
  24. 25
  25. a river flows downhill
  26. 50
  27. 75
  28. 55
  29. magnetic force
  30. a compass needle turns
  31. 9
  32. to the right
  33. True
  34. gravity
  35. to the left
  36. gravity
  37. True
  38. change its colour
  39. squeezing a lemon
  40. rain falls to the ground

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