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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 960 · 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 70 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  3. 3.⚖️ 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
  4. 4.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  12. 12.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  14. 14.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  16. 16.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ 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
  20. 20.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  21. 21.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  30. 30.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  32. 32.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  38. 38.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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