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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 914 · 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 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  4. 4.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  6. 6.⚖️ 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 1 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  8. 8.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ 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
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  12. 12.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  13. 13.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ 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
  16. 16.⚖️ 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  25. 25.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  28. 28.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (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.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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