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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 62 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  2. 2.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  14. 14.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  26. 26.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  32. 32.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2

Answer key

  1. class 1
  2. False
  3. class 2
  4. True
  5. False
  6. False
  7. class 2
  8. class 1
  9. class 3
  10. class 1
  11. class 3
  12. the fulcrum
  13. class 2
  14. False
  15. True
  16. class 3
  17. class 1
  18. class 3
  19. class 3
  20. class 3
  21. class 1
  22. class 3
  23. True
  24. the load
  25. the effort
  26. False
  27. class 3
  28. True
  29. False
  30. True
  31. far from the fulcrum
  32. False
  33. class 2
  34. class 1
  35. class 2
  36. class 1
  37. class 2
  38. True
  39. class 2
  40. class 2

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