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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 359 · 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 fishing rod? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  8. 8.⚖️ 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 1 (c) class 2
  9. 9.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  10. 10.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  11. 11.True or false: a lemon squeezer 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 50 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  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 3 (b) class 2 (c) class 1
  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 3 (c) class 1
  15. 15.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  18. 18.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  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 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 60 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: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  27. 27.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  28. 28.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  31. 31.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ 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 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  39. 39.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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

Answer key

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

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