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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 161 · 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 pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  12. 12.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  17. 17.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  18. 18.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  23. 23.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ 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 3 (c) class 1
  25. 25.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ 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 1 (b) class 3 (c) class 2
  27. 27.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ 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 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ 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 3 (c) class 1
  37. 37.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort

Answer key

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

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