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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 397 · 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 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  4. 4.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  7. 7.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the fulcrum (d) the load
  8. 8.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ 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
  14. 14.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ 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
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the axle
  23. 23.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  25. 25.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  31. 31.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the fulcrum (d) the load
  35. 35.⚖️ 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
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ 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 1 (b) class 2 (c) class 3

Answer key

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

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