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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 619 · 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.True or false: a tug of war is a pull. (a) False (b) True
  2. 2.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  3. 3.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  4. 4.💪 Two children push a box to the right, one with 50 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  5. 5.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) muscular force (d) gravity
  6. 6.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) doubled (d) balanced
  7. 7.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  9. 9.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) magnetic force (d) muscular force
  10. 10.True or false: hitting a cricket ball is a pull. (a) True (b) False
  11. 11.True or false: drawing up a well bucket is a push. (a) True (b) False
  12. 12.💪 A bag has a mass of 49 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  13. 13.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) friction (c) magnetic force (d) muscular force
  15. 15.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) friction (c) muscular force (d) gravity
  16. 16.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  17. 17.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  18. 18.True or false: closing a drawer is a pull. (a) False (b) True
  19. 19.True or false: a tug of war is a push. (a) False (b) True
  20. 20.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  21. 21.💪 In which unit do we measure force? (a) newton (N) (b) metre (m) (c) second (s) (d) litre (L)
  22. 22.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 A bag has a mass of 42 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  24. 24.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  25. 25.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) friction (d) magnetic force
  26. 26.💪 Two children push a box to the right, one with 50 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) muscular force (d) friction
  28. 28.Which of these is caused by gravity? (a) a thrown ball comes down (b) shoes grip the floor (c) a fridge magnet sticks (d) squeezing a lemon
  29. 29.True or false: drawing up a well bucket is a pull. (a) False (b) True
  30. 30.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  32. 32.True or false: hitting a cricket ball is a push. (a) True (b) False
  33. 33.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) a river flows downhill (c) lifting a school bag (d) rain falls to the ground
  34. 34.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  35. 35.True or false: plucking a mango is a pull. (a) True (b) False
  36. 36.Which of these is caused by gravity? (a) rubbing hands warms them (b) pedalling a cycle (c) a river flows downhill (d) a fridge magnet sticks
  37. 37.💪 A box weighs 460 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  38. 38.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) friction (d) wind
  40. 40.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) friction (c) muscular force (d) magnetic force

Answer key

  1. True
  2. a push
  3. a pull
  4. 140
  5. gravity
  6. balanced
  7. 53
  8. a push
  9. muscular force
  10. False
  11. False
  12. 490
  13. 52
  14. friction
  15. muscular force
  16. a pull
  17. a push
  18. False
  19. False
  20. a pull
  21. newton (N)
  22. 7
  23. 420
  24. a pull
  25. friction
  26. 85
  27. friction
  28. a thrown ball comes down
  29. True
  30. 10
  31. 10
  32. True
  33. lifting a school bag
  34. a push
  35. True
  36. a river flows downhill
  37. 46
  38. 2
  39. gravity
  40. magnetic force

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