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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 489 · 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 30 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (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) False (b) True
  7. 7.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  11. 11.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  12. 12.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  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 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  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 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 100 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 10 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
  23. 23.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  30. 30.⚖️ 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
  31. 31.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the load (d) the fulcrum
  32. 32.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ 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 3 (b) class 2 (c) class 1
  36. 36.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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