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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 459 · 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 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  4. 4.⚖️ 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
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  10. 10.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  13. 13.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  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 90 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 50 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  22. 22.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ 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 2 (c) class 3
  24. 24.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  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 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  30. 30.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  31. 31.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ 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 2 (c) class 1
  34. 34.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ 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 1 (c) class 3
  36. 36.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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