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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 519 · 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 drawing up a well bucket a push or a pull? (a) a pull (b) a push
  2. 2.True or false: hitting a cricket ball is a pull. (a) True (b) False
  3. 3.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: squeezing a lemon? (a) gravity (b) magnetic force (c) muscular force (d) friction
  5. 5.True or false: plucking a mango is a push. (a) True (b) False
  6. 6.💪 A force is a … (a) push or a pull (b) kind of colour (c) type of sound (d) unit of time
  7. 7.💪 A box weighs 50 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  9. 9.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) gravity (d) friction
  10. 10.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) gravity (d) muscular force
  11. 11.💪 A cart is pulled to the right with 40 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  12. 12.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  13. 13.True or false: opening a drawer is a push. (a) True (b) False
  14. 14.True or false: closing a drawer is a pull. (a) False (b) True
  15. 15.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) magnetic force (d) gravity
  16. 16.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  17. 17.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  19. 19.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) balanced (d) unbalanced
  21. 21.Which of these is caused by friction? (a) a thrown ball comes down (b) a magnet picks up pins (c) a rolling ball slows (d) a fridge magnet sticks
  22. 22.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) gravity (c) magnetic force (d) friction
  23. 23.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  24. 24.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
  25. 25.True or false: pressing a doorbell is a push. (a) True (b) False
  26. 26.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  27. 27.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
  28. 28.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  29. 29.💪 Two children push a box to the right, one with 90 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  30. 30.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) shoes grip the floor (c) a thrown ball comes down (d) rubbing hands warms them
  31. 31.True or false: a tug of war is a pull. (a) True (b) False
  32. 32.💪 A box weighs 160 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  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) False (b) True
  35. 35.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  36. 36.💪 A bag has a mass of 13 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  37. 37.💪 Which force pulls everything towards the Earth? (a) magnetism (b) wind (c) gravity (d) friction
  38. 38.True or false: pressing a doorbell is a pull. (a) True (b) False
  39. 39.💪 Which force is at work: an apple falls down? (a) gravity (b) muscular force (c) magnetic force (d) friction
  40. 40.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 30 N. What is the size of the net force, in newtons?

Answer key

  1. a pull
  2. False
  3. a push
  4. muscular force
  5. False
  6. push or a pull
  7. 5
  8. a push
  9. gravity
  10. friction
  11. to the left
  12. a push
  13. False
  14. False
  15. muscular force
  16. a push
  17. 10
  18. a pull
  19. 59
  20. balanced
  21. a rolling ball slows
  22. friction
  23. 35
  24. change its colour
  25. True
  26. 590
  27. newton (N)
  28. 51
  29. 125
  30. a magnet picks up pins
  31. True
  32. 16
  33. a push
  34. False
  35. a pull
  36. 130
  37. gravity
  38. False
  39. gravity
  40. 20

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