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Types of Levers Worksheet

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

Answer key

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

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