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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 579 · 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: hitting a cricket ball is a push. (a) False (b) True
  2. 2.True or false: pulling up your socks is a push. (a) True (b) False
  3. 3.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) magnetic force (d) gravity
  5. 5.💪 A cart is pulled to the right with 100 N and to the left with 90 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  6. 6.Which of these is caused by friction? (a) a compass needle turns (b) rain falls to the ground (c) lifting a school bag (d) shoes grip the floor
  7. 7.💪 A bag has a mass of 37 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  8. 8.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  9. 9.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
  10. 10.Which of these is caused by friction? (a) a compass needle turns (b) a thrown ball comes down (c) a rolling ball slows (d) lifting a school bag
  11. 11.💪 A force is a … (a) push or a pull (b) kind of colour (c) type of sound (d) unit of time
  12. 12.💪 Which force is at work: a compass needle turns? (a) magnetic force (b) gravity (c) muscular force (d) friction
  13. 13.💪 Which force is at work: pedalling a cycle? (a) gravity (b) friction (c) muscular force (d) magnetic force
  14. 14.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) gravity (c) friction (d) muscular force
  15. 15.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  16. 16.💪 Which force is at work: a fridge magnet sticks? (a) magnetic force (b) gravity (c) muscular force (d) friction
  17. 17.Which of these is caused by gravity? (a) a rolling ball slows (b) brakes stop a bicycle (c) an apple falls down (d) a compass needle turns
  18. 18.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  19. 19.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.True or false: plucking a mango is a pull. (a) False (b) True
  21. 21.True or false: plucking a mango is a push. (a) False (b) True
  22. 22.💪 A cart is pulled to the right with 30 N and to the left with 45 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  23. 23.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  24. 24.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.True or false: pulling a cart is a pull. (a) False (b) True
  26. 26.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.Which of these is caused by friction? (a) brakes stop a bicycle (b) an apple falls down (c) squeezing a lemon (d) rain falls to the ground
  28. 28.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) squeezing a lemon (d) a thrown ball comes down
  29. 29.💪 A box weighs 460 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  31. 31.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  32. 32.True or false: closing a drawer is a push. (a) True (b) False
  33. 33.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  34. 34.True or false: pushing a trolley is a pull. (a) True (b) False
  35. 35.True or false: pressing a doorbell is a push. (a) False (b) True
  36. 36.💪 Two children push a box to the right, one with 30 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  37. 37.True or false: a tug of war is a push. (a) True (b) False
  38. 38.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a river flows downhill (c) a rolling ball slows (d) a magnet picks up pins
  39. 39.True or false: opening a drawer is a push. (a) True (b) False
  40. 40.True or false: drawing up a well bucket is a push. (a) False (b) True

Answer key

  1. True
  2. False
  3. a push
  4. gravity
  5. to the right
  6. shoes grip the floor
  7. 370
  8. a pull
  9. balanced
  10. a rolling ball slows
  11. push or a pull
  12. magnetic force
  13. muscular force
  14. friction
  15. 95
  16. magnetic force
  17. an apple falls down
  18. a push
  19. 10
  20. True
  21. False
  22. to the left
  23. a pull
  24. 18
  25. True
  26. 41
  27. brakes stop a bicycle
  28. a fridge magnet sticks
  29. 46
  30. a pull
  31. 10
  32. True
  33. a pull
  34. False
  35. True
  36. 35
  37. False
  38. a magnet picks up pins
  39. False
  40. False

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