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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 208 · 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: closing a drawer is a push. (a) False (b) True
  2. 2.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  3. 3.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  4. 4.True or false: a tug of war is a push. (a) True (b) False
  5. 5.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  6. 6.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  8. 8.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  9. 9.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  10. 10.💪 A bag has a mass of 16 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.True or false: kicking a football is a push. (a) False (b) True
  12. 12.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  13. 13.True or false: opening a drawer is a push. (a) True (b) False
  14. 14.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 50 N. What is the size of the net force, in newtons?
  15. 15.Which of these is caused by muscular force? (a) pedalling a cycle (b) brakes stop a bicycle (c) a compass needle turns (d) rain falls to the ground
  16. 16.💪 A bag has a mass of 50 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  17. 17.True or false: pulling a cart is a push. (a) True (b) False
  18. 18.💪 A cart is pulled to the right with 20 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  19. 19.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  20. 20.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)
  21. 21.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
  22. 22.💪 Which force is at work: a magnet picks up pins? (a) friction (b) magnetic force (c) gravity (d) muscular force
  23. 23.💪 A cart is pulled to the right with 60 N and to the left with 50 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  24. 24.True or false: opening a drawer is a pull. (a) False (b) True
  25. 25.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  26. 26.💪 A cart is pulled to the right with 25 N and to the left with 40 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  27. 27.True or false: plucking a mango is a pull. (a) False (b) True
  28. 28.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
  29. 29.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
  30. 30.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
  31. 31.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) gravity (d) friction
  32. 32.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  33. 33.True or false: pulling up your socks is a push. (a) False (b) True
  34. 34.True or false: pressing a doorbell is a push. (a) True (b) False
  35. 35.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
  36. 36.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  37. 37.💪 Which force is at work: an apple falls down? (a) muscular force (b) gravity (c) magnetic force (d) friction
  38. 38.💪 Which force is at work: shoes grip the floor? (a) friction (b) muscular force (c) gravity (d) magnetic force
  39. 39.True or false: drawing up a well bucket is a push. (a) True (b) False
  40. 40.True or false: pulling a cart is a pull. (a) True (b) False

Answer key

  1. True
  2. a push
  3. a pull
  4. False
  5. 45
  6. 52
  7. a pull
  8. a push
  9. a push
  10. 160
  11. True
  12. a pull
  13. False
  14. 20
  15. pedalling a cycle
  16. 500
  17. False
  18. to the right
  19. a pull
  20. newton (N)
  21. muscular force
  22. magnetic force
  23. to the right
  24. True
  25. a push
  26. to the left
  27. True
  28. push or a pull
  29. change its colour
  30. magnetic force
  31. gravity
  32. a push
  33. False
  34. True
  35. 5
  36. 45
  37. gravity
  38. friction
  39. False
  40. True

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