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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 767 · 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 crowbar is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the axle
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  11. 11.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ 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 1 (c) class 3
  13. 13.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  17. 17.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  18. 18.True or false: a pair of pliers 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 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  24. 24.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  26. 26.⚖️ 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 3 (c) class 2
  27. 27.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  30. 30.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ 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 1 (b) class 3 (c) class 2
  33. 33.⚖️ 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
  34. 34.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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