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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 506 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  4. 4.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  9. 9.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  13. 13.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ 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
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  17. 17.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  19. 19.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ 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
  21. 21.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  24. 24.⚖️ 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 1 (c) class 2
  25. 25.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  26. 26.True or false: a pair of tweezers 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 30 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 40 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 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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