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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 352 · 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 hitting a cricket ball a push or a pull? (a) a push (b) a pull
  2. 2.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) muscular force (d) gravity
  3. 3.💪 A cart is pulled to the right with 50 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  4. 4.True or false: pulling up your socks is a pull. (a) True (b) False
  5. 5.True or false: pulling up your socks is a push. (a) False (b) True
  6. 6.True or false: hitting a cricket ball is a pull. (a) False (b) True
  7. 7.💪 A bag has a mass of 40 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  8. 8.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
  9. 9.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.💪 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?
  11. 11.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  12. 12.💪 A force is a … (a) unit of time (b) kind of colour (c) push or a pull (d) type of sound
  13. 13.True or false: drawing up a well bucket is a push. (a) False (b) True
  14. 14.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  15. 15.💪 Two children push a box to the right, one with 100 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  16. 16.💪 Which force is at work: brakes stop a bicycle? (a) gravity (b) muscular force (c) friction (d) magnetic force
  17. 17.Which of these is caused by magnetic force? (a) rubbing hands warms them (b) shoes grip the floor (c) a river flows downhill (d) a compass needle turns
  18. 18.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) magnetic force (c) friction (d) muscular force
  19. 19.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  20. 20.Which of these is caused by friction? (a) a compass needle turns (b) a river flows downhill (c) brakes stop a bicycle (d) squeezing a lemon
  21. 21.💪 Which force is at work: a magnet picks up pins? (a) friction (b) muscular force (c) magnetic force (d) gravity
  22. 22.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) stop it moving (d) change its colour
  23. 23.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  24. 24.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
  25. 25.True or false: plucking a mango is a push. (a) False (b) True
  26. 26.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  27. 27.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  29. 29.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  30. 30.💪 Which force is at work: squeezing a lemon? (a) friction (b) muscular force (c) magnetic force (d) gravity
  31. 31.💪 Which force is at work: rain falls to the ground? (a) gravity (b) magnetic force (c) friction (d) muscular force
  32. 32.Which of these is caused by gravity? (a) shoes grip the floor (b) a rolling ball slows (c) squeezing a lemon (d) an apple falls down
  33. 33.💪 Two children push a box to the right, one with 40 N and the other with 70 N. What is the net (total) force on the box, in newtons?
  34. 34.💪 In a tug of war, one team pulls left with 55 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  35. 35.💪 Which force is at work: a compass needle turns? (a) magnetic force (b) gravity (c) muscular force (d) friction
  36. 36.💪 Which force is at work: shoes grip the floor? (a) friction (b) gravity (c) muscular force (d) magnetic force
  37. 37.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a magnet picks up pins (c) rubbing hands warms them (d) squeezing a lemon
  38. 38.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  39. 39.True or false: plucking a mango is a pull. (a) False (b) True
  40. 40.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 40 N. What is the size of the net force, in newtons?

Answer key

  1. a push
  2. gravity
  3. to the right
  4. True
  5. False
  6. False
  7. 400
  8. friction
  9. 11
  10. 165
  11. a pull
  12. push or a pull
  13. False
  14. a push
  15. 120
  16. friction
  17. a compass needle turns
  18. magnetic force
  19. a pull
  20. brakes stop a bicycle
  21. magnetic force
  22. change its colour
  23. gravity
  24. 5
  25. False
  26. a pull
  27. 53
  28. a pull
  29. a push
  30. muscular force
  31. gravity
  32. an apple falls down
  33. 110
  34. 25
  35. magnetic force
  36. friction
  37. squeezing a lemon
  38. a pull
  39. True
  40. 15

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