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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 202 · 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 nutcracker? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  4. 4.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  9. 9.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ 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
  14. 14.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  24. 24.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  28. 28.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  40. 40.⚖️ 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 2 (c) class 1

Answer key

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

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