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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 362 · 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 3 (b) class 2 (c) class 1
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  3. 3.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  7. 7.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  11. 11.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  17. 17.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ 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 1 (b) class 2 (c) class 3
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  21. 21.True or false: a pair of kitchen tongs 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 40 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ 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 2 (c) class 1
  30. 30.⚖️ 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 3 (c) class 1
  31. 31.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ 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 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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