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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 850 · 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 hitting a cricket ball a push or a pull? (a) a pull (b) a push
  2. 2.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) doubled (d) balanced
  3. 3.True or false: pulling up your socks is a push. (a) True (b) False
  4. 4.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  5. 5.💪 Two children push a box to the right, one with 100 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  6. 6.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) magnetic force (d) gravity
  7. 7.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  8. 8.💪 Two children push a box to the right, one with 75 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  10. 10.💪 Which force is at work: shoes grip the floor? (a) friction (b) gravity (c) magnetic force (d) muscular force
  11. 11.💪 Two children push a box to the right, one with 25 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  12. 12.True or false: opening a drawer is a push. (a) False (b) True
  13. 13.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) shoes grip the floor (c) rubbing hands warms them (d) a magnet picks up pins
  14. 14.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) gravity (c) friction (d) magnetic force
  15. 15.True or false: kicking a football is a push. (a) False (b) True
  16. 16.True or false: closing a drawer is a pull. (a) True (b) False
  17. 17.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  18. 18.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  19. 19.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) friction (c) gravity (d) muscular force
  20. 20.Which of these is caused by gravity? (a) an apple falls down (b) shoes grip the floor (c) pedalling a cycle (d) squeezing a lemon
  21. 21.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  22. 22.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) gravity (d) wind
  24. 24.True or false: a tug of war is a push. (a) True (b) False
  25. 25.Which of these is caused by magnetic force? (a) squeezing a lemon (b) lifting a school bag (c) a fridge magnet sticks (d) rain falls to the ground
  26. 26.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  27. 27.True or false: pushing a trolley is a pull. (a) True (b) False
  28. 28.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  29. 29.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
  30. 30.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
  31. 31.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) magnetic force (c) gravity (d) friction
  32. 32.💪 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?
  33. 33.💪 A force is a … (a) type of sound (b) unit of time (c) kind of colour (d) push or a pull
  34. 34.💪 A box weighs 200 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 A bag has a mass of 29 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  36. 36.💪 Two children push a box to the right, one with 50 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  37. 37.💪 Which force is at work: a river flows downhill? (a) gravity (b) friction (c) magnetic force (d) muscular force
  38. 38.True or false: pressing a doorbell is a push. (a) True (b) False
  39. 39.True or false: pressing a doorbell is a pull. (a) True (b) False
  40. 40.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) magnetic force (d) friction

Answer key

  1. a push
  2. balanced
  3. False
  4. a push
  5. 195
  6. magnetic force
  7. a pull
  8. 150
  9. a pull
  10. friction
  11. 35
  12. False
  13. a magnet picks up pins
  14. magnetic force
  15. True
  16. False
  17. a pull
  18. 150
  19. muscular force
  20. an apple falls down
  21. a pull
  22. 2
  23. gravity
  24. False
  25. a fridge magnet sticks
  26. a push
  27. False
  28. 30
  29. friction
  30. newton (N)
  31. muscular force
  32. 140
  33. push or a pull
  34. 20
  35. 290
  36. 110
  37. gravity
  38. True
  39. False
  40. friction

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