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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 16 · 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 pressing a doorbell a push or a pull? (a) a push (b) a pull
  2. 2.💪 A box weighs 560 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  3. 3.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) friction (d) magnetic force
  5. 5.True or false: pulling a cart is a push. (a) True (b) False
  6. 6.True or false: drawing up a well bucket is a pull. (a) True (b) False
  7. 7.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  8. 8.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  9. 9.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  10. 10.True or false: pushing a trolley is a pull. (a) True (b) False
  11. 11.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) doubled (d) balanced
  12. 12.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  13. 13.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  14. 14.💪 A cart is pulled to the right with 90 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
  15. 15.Which of these is caused by gravity? (a) a rolling ball slows (b) rain falls to the ground (c) lifting a school bag (d) shoes grip the floor
  16. 16.💪 Which can a force NOT do? (a) change its colour (b) stop it moving (c) change its shape (d) start it moving
  17. 17.True or false: a tug of war is a push. (a) False (b) True
  18. 18.💪 Two children push a box to the right, one with 10 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  19. 19.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) squeezing a lemon (c) a rolling ball slows (d) a magnet picks up pins
  20. 20.💪 Which force pulls everything towards the Earth? (a) friction (b) magnetism (c) wind (d) gravity
  21. 21.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  22. 22.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.True or false: closing a drawer is a pull. (a) True (b) False
  24. 24.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  25. 25.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) gravity (c) friction (d) magnetic force
  26. 26.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  27. 27.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) friction (d) muscular force
  28. 28.💪 Two children push a box to the right, one with 5 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  29. 29.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) muscular force (c) friction (d) gravity
  30. 30.Which of these is caused by muscular force? (a) shoes grip the floor (b) lifting a school bag (c) rain falls to the ground (d) a rolling ball slows
  31. 31.💪 Two children push a box to the right, one with 85 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  32. 32.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  33. 33.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  34. 34.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  35. 35.True or false: hitting a cricket ball is a push. (a) False (b) True
  36. 36.💪 In which unit do we measure force? (a) second (s) (b) litre (L) (c) newton (N) (d) metre (m)
  37. 37.True or false: kicking a football is a pull. (a) True (b) False
  38. 38.💪 Two children push a box to the right, one with 65 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  39. 39.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) muscular force (c) friction (d) magnetic force
  40. 40.💪 Which force is at work: a river flows downhill? (a) gravity (b) friction (c) magnetic force (d) muscular force

Answer key

  1. a push
  2. 56
  3. a pull
  4. gravity
  5. False
  6. True
  7. a pull
  8. a push
  9. push or a pull
  10. False
  11. balanced
  12. a pull
  13. a push
  14. to the right
  15. rain falls to the ground
  16. change its colour
  17. False
  18. 70
  19. a magnet picks up pins
  20. gravity
  21. 1
  22. 7
  23. False
  24. 20
  25. magnetic force
  26. a pull
  27. muscular force
  28. 30
  29. gravity
  30. lifting a school bag
  31. 180
  32. 39
  33. 80
  34. a pull
  35. True
  36. newton (N)
  37. False
  38. 80
  39. friction
  40. gravity

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