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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 769 · 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 beam balance is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  3. 3.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  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 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ 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
  14. 14.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ 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
  19. 19.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  20. 20.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  24. 24.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  25. 25.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  29. 29.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  30. 30.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  32. 32.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  36. 36.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  40. 40.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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