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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 439 · 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 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the axle
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  4. 4.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.⚖️ 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 3 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a pair of pliers 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 60 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
  13. 13.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ 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 1 (c) class 3
  17. 17.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  23. 23.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  24. 24.⚖️ 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
  25. 25.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  37. 37.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ 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
  40. 40.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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