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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 934 · 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 force is at work: rubbing hands warms them? (a) magnetic force (b) muscular force (c) friction (d) gravity
  2. 2.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  3. 3.True or false: pushing a swing is a pull. (a) False (b) True
  4. 4.True or false: kicking a football is a push. (a) False (b) True
  5. 5.True or false: drawing up a well bucket is a pull. (a) False (b) True
  6. 6.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a thrown ball comes down (c) pedalling a cycle (d) a rolling ball slows
  8. 8.True or false: plucking a mango is a pull. (a) True (b) False
  9. 9.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a rolling ball slows (c) brakes stop a bicycle (d) lifting a school bag
  10. 10.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  11. 11.True or false: pulling a cart is a pull. (a) True (b) False
  12. 12.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.💪 A cart is pulled to the right with 50 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  14. 14.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) unbalanced (d) balanced
  15. 15.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  16. 16.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  17. 17.True or false: closing a drawer is a pull. (a) True (b) False
  18. 18.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  19. 19.Which of these is caused by gravity? (a) an apple falls down (b) lifting a school bag (c) a rolling ball slows (d) shoes grip the floor
  20. 20.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
  21. 21.💪 Which force is at work: lifting a school bag? (a) gravity (b) friction (c) magnetic force (d) muscular force
  22. 22.💪 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?
  23. 23.Which of these is caused by gravity? (a) a compass needle turns (b) squeezing a lemon (c) a river flows downhill (d) a rolling ball slows
  24. 24.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  25. 25.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) metre (m) (d) newton (N)
  26. 26.💪 Which force is at work: an apple falls down? (a) friction (b) magnetic force (c) gravity (d) muscular force
  27. 27.True or false: a tug of war is a pull. (a) True (b) False
  28. 28.True or false: opening a drawer is a push. (a) False (b) True
  29. 29.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  30. 30.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  31. 31.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) magnetic force (c) friction (d) muscular force
  32. 32.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) friction (c) magnetic force (d) muscular force
  33. 33.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  34. 34.True or false: kicking a football is a pull. (a) True (b) False
  35. 35.Which of these is caused by magnetic force? (a) an apple falls down (b) a magnet picks up pins (c) a river flows downhill (d) brakes stop a bicycle
  36. 36.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
  37. 37.True or false: pushing a trolley is a pull. (a) True (b) False
  38. 38.True or false: a tug of war is a push. (a) True (b) False
  39. 39.True or false: pressing a doorbell is a pull. (a) False (b) True
  40. 40.💪 Which force is at work: a compass needle turns? (a) friction (b) magnetic force (c) muscular force (d) gravity

Answer key

  1. friction
  2. a pull
  3. False
  4. True
  5. True
  6. 18
  7. a thrown ball comes down
  8. True
  9. lifting a school bag
  10. a push
  11. True
  12. 47
  13. to the left
  14. balanced
  15. 11
  16. 60
  17. False
  18. 20
  19. an apple falls down
  20. push or a pull
  21. muscular force
  22. 65
  23. a river flows downhill
  24. 70
  25. newton (N)
  26. gravity
  27. True
  28. False
  29. a pull
  30. a push
  31. friction
  32. magnetic force
  33. a push
  34. False
  35. a magnet picks up pins
  36. gravity
  37. False
  38. False
  39. False
  40. magnetic force

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