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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 569 · 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 crowbar? (a) class 1 (b) class 3 (c) class 2
  2. 2.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  5. 5.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  8. 8.⚖️ 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
  9. 9.⚖️ 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 3 (c) class 2
  10. 10.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  14. 14.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (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.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ 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 2 (b) class 1 (c) class 3
  19. 19.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ 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 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the load (d) the effort
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 110 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  30. 30.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 110 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ 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 2 (c) class 1
  34. 34.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  35. 35.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ 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 2 (c) class 1

Answer key

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

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