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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 708 · 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 pressing a doorbell a push or a pull? (a) a push (b) a pull
  2. 2.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) stop it moving (d) start it moving
  3. 3.True or false: a tug of war is a push. (a) True (b) False
  4. 4.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  5. 5.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  6. 6.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
  7. 7.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) balanced (c) gravity (d) unbalanced
  8. 8.💪 Two children push a box to the right, one with 25 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  10. 10.💪 Two children push a box to the right, one with 20 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  11. 11.True or false: pulling up your socks is a push. (a) False (b) True
  12. 12.💪 A force is a … (a) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  13. 13.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  15. 15.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  16. 16.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  17. 17.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
  18. 18.💪 Which force is at work: a compass needle turns? (a) friction (b) magnetic force (c) gravity (d) muscular force
  19. 19.True or false: pulling a cart is a push. (a) False (b) True
  20. 20.True or false: hitting a cricket ball is a pull. (a) False (b) True
  21. 21.True or false: opening a drawer is a push. (a) True (b) False
  22. 22.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.Which of these is caused by muscular force? (a) a river flows downhill (b) lifting a school bag (c) a compass needle turns (d) a thrown ball comes down
  25. 25.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  26. 26.True or false: hitting a cricket ball is a push. (a) False (b) True
  27. 27.True or false: closing a drawer is a pull. (a) True (b) False
  28. 28.Which of these is caused by gravity? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) a river flows downhill (d) a compass needle turns
  29. 29.💪 A bag has a mass of 21 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.True or false: pulling a cart is a pull. (a) False (b) True
  31. 31.True or false: pushing a trolley is a push. (a) True (b) False
  32. 32.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  33. 33.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  34. 34.💪 In which unit do we measure force? (a) metre (m) (b) litre (L) (c) newton (N) (d) second (s)
  35. 35.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  36. 36.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) gravity (d) magnetic force
  37. 37.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  38. 38.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.💪 A bag has a mass of 57 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

Answer key

  1. a push
  2. change its colour
  3. False
  4. a push
  5. 40
  6. muscular force
  7. balanced
  8. 115
  9. to the left
  10. 80
  11. False
  12. push or a pull
  13. 54
  14. a push
  15. 30
  16. a push
  17. 35
  18. magnetic force
  19. False
  20. False
  21. False
  22. 26
  23. 18
  24. lifting a school bag
  25. a pull
  26. True
  27. False
  28. a river flows downhill
  29. 210
  30. True
  31. True
  32. 50
  33. gravity
  34. newton (N)
  35. 39
  36. magnetic force
  37. a pull
  38. 12
  39. 53
  40. 570

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