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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 154 · 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 beam balance? (a) class 3 (b) class 2 (c) class 1
  2. 2.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  6. 6.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ 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 1 (c) class 2
  11. 11.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  15. 15.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  17. 17.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ 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 3 (c) class 1
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ 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
  29. 29.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  31. 31.⚖️ 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 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ 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
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  40. 40.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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