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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 624 · 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.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) nothing (d) the load
  8. 8.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. 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: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ 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 3 (b) class 1 (c) class 2
  15. 15.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
  19. 19.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  24. 24.⚖️ 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 2 (c) class 3
  25. 25.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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