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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 512 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the fulcrum (d) on the rock
  2. 2.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  6. 6.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  10. 10.⚖️ Which class of lever is a wheelbarrow? (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 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ 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 1 (b) class 2 (c) class 3
  14. 14.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ 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 2 (b) class 1 (c) class 3
  20. 20.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  21. 21.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ 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 3 (b) class 1 (c) class 2
  30. 30.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ 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
  33. 33.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  35. 35.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  36. 36.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.⚖️ 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 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 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 30 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ 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 2 (b) class 3 (c) class 1

Answer key

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

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