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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 930 · 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.Which of these is caused by gravity? (a) an apple falls down (b) rubbing hands warms them (c) a compass needle turns (d) a magnet picks up pins
  2. 2.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  3. 3.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) friction (d) gravity
  5. 5.True or false: kicking a football is a pull. (a) True (b) False
  6. 6.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
  7. 7.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) muscular force (d) gravity
  8. 8.True or false: a tug of war is a pull. (a) True (b) False
  9. 9.True or false: pressing a doorbell is a push. (a) False (b) True
  10. 10.💪 A bag has a mass of 51 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.Which of these is caused by magnetic force? (a) rubbing hands warms them (b) brakes stop a bicycle (c) a magnet picks up pins (d) shoes grip the floor
  12. 12.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  13. 13.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  14. 14.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
  15. 15.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
  16. 16.💪 A cart is pulled to the right with 70 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  17. 17.Which of these is caused by gravity? (a) shoes grip the floor (b) lifting a school bag (c) rain falls to the ground (d) pedalling a cycle
  18. 18.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  19. 19.💪 A bag has a mass of 42 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  20. 20.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  21. 21.💪 Two children push a box to the right, one with 85 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  22. 22.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  23. 23.💪 A cart is pulled to the right with 40 N and to the left with 50 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  24. 24.💪 Two children push a box to the right, one with 45 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  25. 25.💪 A bag has a mass of 56 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) muscular force (d) magnetic force
  27. 27.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  28. 28.💪 A bag has a mass of 58 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 Two children push a box to the right, one with 60 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  30. 30.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) pedalling a cycle (c) a compass needle turns (d) squeezing a lemon
  31. 31.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  32. 32.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  33. 33.💪 Which force is at work: a compass needle turns? (a) gravity (b) magnetic force (c) friction (d) muscular force
  34. 34.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  35. 35.Which of these is caused by muscular force? (a) a magnet picks up pins (b) pedalling a cycle (c) brakes stop a bicycle (d) rain falls to the ground
  36. 36.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) gravity (c) muscular force (d) friction
  37. 37.💪 Which force is at work: lifting a school bag? (a) gravity (b) friction (c) magnetic force (d) muscular force
  38. 38.True or false: a tug of war is a push. (a) False (b) True
  39. 39.💪 A cart is pulled to the right with 75 N and to the left with 60 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  40. 40.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 60 N. What is the size of the net force, in newtons?

Answer key

  1. an apple falls down
  2. a push
  3. a pull
  4. friction
  5. False
  6. push or a pull
  7. gravity
  8. True
  9. True
  10. 510
  11. a magnet picks up pins
  12. a push
  13. 100
  14. 5
  15. gravity
  16. to the left
  17. rain falls to the ground
  18. a pull
  19. 420
  20. a push
  21. 95
  22. a push
  23. to the left
  24. 65
  25. 560
  26. gravity
  27. a push
  28. 580
  29. 160
  30. a compass needle turns
  31. 20
  32. 410
  33. magnetic force
  34. a pull
  35. pedalling a cycle
  36. muscular force
  37. muscular force
  38. False
  39. to the right
  40. 40

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