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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 560 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ 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
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  6. 6.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ 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
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  12. 12.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  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 3 (b) class 1 (c) class 2
  17. 17.⚖️ 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
  18. 18.⚖️ 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
  19. 19.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.True or false: a pair of pliers is a class 2 lever (load 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 70 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ 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 1 (b) class 2 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  26. 26.True or false: a lemon squeezer is a class 2 lever (load 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 40 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  36. 36.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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