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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 834 · 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.True or false: opening a drawer is a push. (a) True (b) False
  2. 2.Which of these is caused by friction? (a) squeezing a lemon (b) lifting a school bag (c) an apple falls down (d) shoes grip the floor
  3. 3.💪 Two children push a box to the right, one with 45 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  4. 4.💪 A bag has a mass of 42 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  5. 5.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  6. 6.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.True or false: closing a drawer is a pull. (a) True (b) False
  8. 8.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  9. 9.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) muscular force (d) gravity
  10. 10.💪 A bag has a mass of 49 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.💪 A box weighs 190 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  12. 12.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.True or false: kicking a football is a push. (a) True (b) False
  14. 14.True or false: pushing a swing is a push. (a) True (b) False
  15. 15.True or false: plucking a mango is a push. (a) True (b) False
  16. 16.True or false: hitting a cricket ball is a pull. (a) True (b) False
  17. 17.💪 A force is a … (a) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  18. 18.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  19. 19.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  20. 20.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
  21. 21.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  22. 22.Which of these is caused by magnetic force? (a) lifting a school bag (b) a river flows downhill (c) a compass needle turns (d) brakes stop a bicycle
  23. 23.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  24. 24.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) magnetic force (c) muscular force (d) friction
  25. 25.💪 A bag has a mass of 9 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 right with 75 N and the other pulls left with 65 N. What is the size of the net force, in newtons?
  27. 27.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  28. 28.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  29. 29.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  30. 30.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) muscular force (d) friction
  31. 31.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  32. 32.💪 A cart is pulled to the right with 85 N and to the left with 80 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  33. 33.True or false: pulling up your socks is a push. (a) True (b) False
  34. 34.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  35. 35.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  36. 36.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) a compass needle turns
  37. 37.💪 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?
  38. 38.True or false: hitting a cricket ball is a push. (a) False (b) True
  39. 39.Which of these is caused by muscular force? (a) a compass needle turns (b) a thrown ball comes down (c) squeezing a lemon (d) a magnet picks up pins
  40. 40.True or false: pulling a cart is a push. (a) False (b) True

Answer key

  1. False
  2. shoes grip the floor
  3. 145
  4. 420
  5. 5
  6. 59
  7. False
  8. a push
  9. friction
  10. 490
  11. 19
  12. 58
  13. True
  14. True
  15. False
  16. False
  17. push or a pull
  18. a push
  19. 65
  20. newton (N)
  21. 590
  22. a compass needle turns
  23. magnetic force
  24. gravity
  25. 90
  26. 10
  27. a push
  28. 26
  29. a pull
  30. muscular force
  31. a pull
  32. to the right
  33. False
  34. a pull
  35. 150
  36. a thrown ball comes down
  37. 15
  38. True
  39. squeezing a lemon
  40. False

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