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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 888 · 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 trolley a push or a pull? (a) a push (b) a pull
  2. 2.True or false: pulling a cart is a pull. (a) False (b) True
  3. 3.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  4. 4.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  6. 6.True or false: pressing a doorbell is a pull. (a) True (b) False
  7. 7.💪 Two children push a box to the right, one with 15 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  8. 8.💪 A cart is pulled to the right with 50 N and to the left with 35 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  9. 9.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.💪 A bag has a mass of 22 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 80 N. What is the size of the net force, in newtons?
  12. 12.Which of these is caused by friction? (a) a thrown ball comes down (b) shoes grip the floor (c) a river flows downhill (d) squeezing a lemon
  13. 13.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
  15. 15.True or false: opening a drawer is a pull. (a) False (b) True
  16. 16.💪 A bag has a mass of 58 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  17. 17.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  18. 18.True or false: opening a drawer is a push. (a) True (b) False
  19. 19.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  20. 20.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) friction (d) magnetic force
  21. 21.Which of these is caused by magnetic force? (a) pedalling a cycle (b) a compass needle turns (c) a thrown ball comes down (d) an apple falls down
  22. 22.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) litre (L) (d) metre (m)
  23. 23.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  24. 24.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  25. 25.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  26. 26.💪 A box weighs 240 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.💪 A box weighs 480 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.💪 A cart is pulled to the right with 90 N and to the left with 100 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  29. 29.💪 A cart is pulled to the right with 60 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  30. 30.True or false: drawing up a well bucket is a push. (a) False (b) True
  31. 31.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) magnetic force (c) friction (d) muscular force
  32. 32.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) friction (c) gravity (d) muscular force
  33. 33.💪 A box weighs 160 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  34. 34.True or false: plucking a mango is a pull. (a) False (b) True
  35. 35.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  36. 36.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  37. 37.True or false: pulling a cart is a push. (a) False (b) True
  38. 38.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  39. 39.Which of these is caused by magnetic force? (a) an apple falls down (b) pedalling a cycle (c) brakes stop a bicycle (d) a magnet picks up pins
  40. 40.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

Answer key

  1. a push
  2. True
  3. a pull
  4. 26
  5. 70
  6. False
  7. 65
  8. to the right
  9. 2
  10. 220
  11. 10
  12. shoes grip the floor
  13. 23
  14. gravity
  15. True
  16. 580
  17. a pull
  18. False
  19. a pull
  20. gravity
  21. a compass needle turns
  22. newton (N)
  23. a push
  24. a pull
  25. gravity
  26. 24
  27. 48
  28. to the left
  29. to the left
  30. False
  31. friction
  32. muscular force
  33. 16
  34. True
  35. 45
  36. a pull
  37. False
  38. 140
  39. a magnet picks up pins
  40. 13

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