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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 450 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  3. 3.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  7. 7.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  12. 12.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the axle
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  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 1 (b) class 3 (c) class 2
  21. 21.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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