Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 237 · 40 questions

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.

1. 1.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
6. 6.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
9. 9.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
10. 10.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the load (d) the effort
11. 11.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
12. 12.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
13. 13.⚖️ 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 2 (b) class 3 (c) class 1
14. 14.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
15. 15.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
16. 16.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
17. 17.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
19. 19.⚖️ 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
20. 20.⚖️ 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 3 (c) class 2
21. 21.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 110 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
24. 24.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
25. 25.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
26. 26.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
27. 27.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
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.⚖️ 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
31. 31.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
33. 33.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
34. 34.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
35. 35.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
36. 36.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
38. 38.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
40. 40.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock

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