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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 728 · 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.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  2. 2.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) nothing
  8. 8.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  11. 11.⚖️ 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 1 (b) class 2 (c) class 3
  12. 12.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  16. 16.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  19. 19.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  21. 21.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ 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
  25. 25.⚖️ 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 1 (b) class 3 (c) class 2
  26. 26.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the load (d) the effort
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a pair of tweezers 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 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ 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

Answer key

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

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