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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 644 · 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 pushing a swing a push or a pull? (a) a push (b) a pull
  2. 2.True or false: pushing a trolley is a push. (a) False (b) True
  3. 3.💪 Two children push a box to the right, one with 5 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  4. 4.Which of these is caused by friction? (a) a rolling ball slows (b) an apple falls down (c) rain falls to the ground (d) a magnet picks up pins
  5. 5.True or false: hitting a cricket ball is a push. (a) True (b) False
  6. 6.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  7. 7.True or false: pressing a doorbell is a pull. (a) False (b) True
  8. 8.💪 A box weighs 560 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  9. 9.True or false: kicking a football is a push. (a) True (b) False
  10. 10.💪 Two children push a box to the right, one with 60 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  11. 11.💪 A force is a … (a) type of sound (b) kind of colour (c) unit of time (d) push or a pull
  12. 12.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  13. 13.Which of these is caused by gravity? (a) a thrown ball comes down (b) a fridge magnet sticks (c) a rolling ball slows (d) a magnet picks up pins
  14. 14.True or false: plucking a mango is a push. (a) False (b) True
  15. 15.True or false: closing a drawer is a pull. (a) False (b) True
  16. 16.💪 A cart is pulled to the right with 80 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  17. 17.Which of these is caused by gravity? (a) brakes stop a bicycle (b) rain falls to the ground (c) a magnet picks up pins (d) a fridge magnet sticks
  18. 18.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) balanced (d) gravity
  19. 19.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  20. 20.💪 A bag has a mass of 27 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  21. 21.Which of these is caused by gravity? (a) shoes grip the floor (b) a fridge magnet sticks (c) squeezing a lemon (d) a river flows downhill
  22. 22.💪 A cart is pulled to the right with 30 N and to the left with 40 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  23. 23.Which of these is caused by gravity? (a) a magnet picks up pins (b) an apple falls down (c) shoes grip the floor (d) squeezing a lemon
  24. 24.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) friction (d) magnetic force
  25. 25.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 40 N. What is the size of the net force, in newtons?
  27. 27.True or false: pushing a trolley is a pull. (a) False (b) True
  28. 28.💪 Two children push a box to the right, one with 50 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  29. 29.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  30. 30.💪 Two children push a box to the right, one with 15 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  31. 31.Which of these is caused by friction? (a) squeezing a lemon (b) a compass needle turns (c) shoes grip the floor (d) an apple falls down
  32. 32.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  33. 33.True or false: hitting a cricket ball is a pull. (a) True (b) False
  34. 34.True or false: kicking a football is a pull. (a) True (b) False
  35. 35.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  36. 36.Which of these is caused by muscular force? (a) pedalling a cycle (b) rain falls to the ground (c) an apple falls down (d) shoes grip the floor
  37. 37.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) magnetic force (c) friction (d) gravity
  38. 38.True or false: closing a drawer is a push. (a) True (b) False
  39. 39.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) friction (c) magnetic force (d) gravity
  40. 40.💪 Which force is at work: rain falls to the ground? (a) friction (b) gravity (c) muscular force (d) magnetic force

Answer key

  1. a push
  2. True
  3. 20
  4. a rolling ball slows
  5. True
  6. a pull
  7. False
  8. 56
  9. True
  10. 80
  11. push or a pull
  12. a push
  13. a thrown ball comes down
  14. False
  15. False
  16. to the right
  17. rain falls to the ground
  18. balanced
  19. a pull
  20. 270
  21. a river flows downhill
  22. to the left
  23. an apple falls down
  24. friction
  25. 10
  26. 5
  27. False
  28. 95
  29. 40
  30. 95
  31. shoes grip the floor
  32. a pull
  33. False
  34. False
  35. a push
  36. pedalling a cycle
  37. friction
  38. True
  39. muscular force
  40. gravity

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