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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 753 · 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 20 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
  2. 2.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  3. 3.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  13. 13.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ 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 1 (c) class 3
  18. 18.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  21. 21.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 10 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 20 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  31. 31.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  36. 36.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  39. 39.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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

Answer key

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

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