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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 625 · 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 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  2. 2.True or false: hitting a cricket ball is a push. (a) True (b) False
  3. 3.True or false: pulling up your socks is a pull. (a) False (b) True
  4. 4.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  5. 5.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  6. 6.💪 A bag has a mass of 19 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  7. 7.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) magnetic force (c) gravity (d) friction
  8. 8.Which of these is caused by magnetic force? (a) squeezing a lemon (b) brakes stop a bicycle (c) a magnet picks up pins (d) a river flows downhill
  9. 9.💪 Which force is at work: a rolling ball slows? (a) gravity (b) friction (c) magnetic force (d) muscular force
  10. 10.💪 Two children push a box to the right, one with 20 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  11. 11.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  12. 12.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) gravity (c) magnetic force (d) friction
  13. 13.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  14. 14.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  15. 15.Which of these is caused by friction? (a) shoes grip the floor (b) rain falls to the ground (c) a river flows downhill (d) a thrown ball comes down
  16. 16.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) litre (L) (d) metre (m)
  17. 17.True or false: plucking a mango is a pull. (a) False (b) True
  18. 18.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
  19. 19.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
  20. 20.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) gravity (d) balanced
  21. 21.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  22. 22.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  23. 23.True or false: pulling a cart is a pull. (a) False (b) True
  24. 24.💪 Two children push a box to the right, one with 40 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  25. 25.True or false: pushing a trolley is a pull. (a) True (b) False
  26. 26.True or false: a tug of war is a push. (a) True (b) False
  27. 27.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  28. 28.💪 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?
  29. 29.💪 A cart is pulled to the right with 60 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  30. 30.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 45 N. What is the size of the net force, in newtons?
  31. 31.Which of these is caused by friction? (a) a river flows downhill (b) rain falls to the ground (c) a rolling ball slows (d) a thrown ball comes down
  32. 32.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  33. 33.💪 Which force is at work: rubbing hands warms them? (a) friction (b) muscular force (c) magnetic force (d) gravity
  34. 34.Which of these is caused by gravity? (a) lifting a school bag (b) brakes stop a bicycle (c) a river flows downhill (d) a compass needle turns
  35. 35.True or false: pressing a doorbell is a pull. (a) False (b) True
  36. 36.True or false: opening a drawer is a pull. (a) False (b) True
  37. 37.Which of these is caused by muscular force? (a) a compass needle turns (b) a thrown ball comes down (c) pedalling a cycle (d) an apple falls down
  38. 38.Which of these is caused by muscular force? (a) squeezing a lemon (b) an apple falls down (c) a thrown ball comes down (d) a river flows downhill
  39. 39.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) friction (c) magnetic force (d) muscular force
  40. 40.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction

Answer key

  1. 59
  2. True
  3. True
  4. a push
  5. 50
  6. 190
  7. muscular force
  8. a magnet picks up pins
  9. friction
  10. 60
  11. 20
  12. gravity
  13. a pull
  14. a push
  15. shoes grip the floor
  16. newton (N)
  17. True
  18. 20
  19. push or a pull
  20. balanced
  21. a pull
  22. a push
  23. True
  24. 70
  25. False
  26. False
  27. magnetic force
  28. 5
  29. to the right
  30. 5
  31. a rolling ball slows
  32. 55
  33. friction
  34. a river flows downhill
  35. False
  36. True
  37. pedalling a cycle
  38. squeezing a lemon
  39. magnetic force
  40. gravity

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