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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 660 · 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 pulling up your socks a push or a pull? (a) a pull (b) a push
  2. 2.Which of these is caused by friction? (a) rubbing hands warms them (b) a thrown ball comes down (c) a magnet picks up pins (d) lifting a school bag
  3. 3.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) friction (d) magnetic force
  4. 4.Which of these is caused by magnetic force? (a) a compass needle turns (b) a rolling ball slows (c) brakes stop a bicycle (d) an apple falls down
  5. 5.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  6. 6.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.💪 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?
  8. 8.💪 Two children push a box to the right, one with 55 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Two children push a box to the right, one with 85 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  10. 10.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) magnetic force (c) gravity (d) friction
  11. 11.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  12. 12.True or false: opening a drawer is a pull. (a) False (b) True
  13. 13.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  14. 14.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  15. 15.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) balanced (c) unbalanced (d) gravity
  16. 16.Which of these is caused by gravity? (a) rain falls to the ground (b) a magnet picks up pins (c) lifting a school bag (d) a fridge magnet sticks
  17. 17.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  18. 18.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  19. 19.💪 Two children push a box to the right, one with 5 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  20. 20.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
  21. 21.💪 Two children push a box to the right, one with 35 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  22. 22.💪 Two children push a box to the right, one with 30 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  23. 23.Which of these is caused by friction? (a) lifting a school bag (b) a river flows downhill (c) shoes grip the floor (d) a fridge magnet sticks
  24. 24.True or false: drawing up a well bucket is a pull. (a) False (b) True
  25. 25.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  26. 26.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) newton (N) (d) metre (m)
  27. 27.💪 Two children push a box to the right, one with 35 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  28. 28.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a fridge magnet sticks (c) a thrown ball comes down (d) brakes stop a bicycle
  29. 29.💪 Two children push a box to the right, one with 20 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  30. 30.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  31. 31.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its shape (d) change its colour
  32. 32.Which of these is caused by gravity? (a) lifting a school bag (b) a thrown ball comes down (c) a magnet picks up pins (d) pedalling a cycle
  33. 33.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
  34. 34.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 A box weighs 90 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  36. 36.💪 Which force is at work: a rolling ball slows? (a) gravity (b) muscular force (c) friction (d) magnetic force
  37. 37.💪 Two children push a box to the right, one with 55 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  38. 38.True or false: hitting a cricket ball is a pull. (a) False (b) True
  39. 39.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  40. 40.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) gravity (c) friction (d) muscular force

Answer key

  1. a pull
  2. rubbing hands warms them
  3. magnetic force
  4. a compass needle turns
  5. a pull
  6. 25
  7. 65
  8. 70
  9. 165
  10. gravity
  11. a push
  12. True
  13. a pull
  14. 15
  15. balanced
  16. rain falls to the ground
  17. a push
  18. 20
  19. 70
  20. gravity
  21. 40
  22. 120
  23. shoes grip the floor
  24. True
  25. 10
  26. newton (N)
  27. 90
  28. a fridge magnet sticks
  29. 110
  30. a push
  31. change its colour
  32. a thrown ball comes down
  33. friction
  34. 39
  35. 9
  36. friction
  37. 80
  38. False
  39. a push
  40. magnetic force

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