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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 815 · 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: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  2. 2.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ 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
  9. 9.⚖️ 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 1 (c) class 3
  10. 10.⚖️ 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 3 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ 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 1 (c) class 3
  15. 15.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  18. 18.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  19. 19.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ 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
  24. 24.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  32. 32.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  34. 34.⚖️ Which class of lever is a seesaw? (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 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a broom when sweeping is a class 2 lever (load 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 60 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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