Question

C. Match the following columns.
Column A
1. First-class lever
2. Second-class lever
3. Third-class lever
4. Inclined plane
5. Pulley
Column B
(a) bottle opener
(b) ramp
(c) nail cutter
(d) flag pole
(e) fishing rods
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Answer 1

Answer:

1-e

2-a

3-c

4-b

5-d

Explanation:

Answer 2

Answer:

1. First-Class lever - c)Nail Cutter

2. Second-Class lever - a)Bottle Opener

3. Third-Class lever - e)Fishing Rod

4. Inclined Plane - b)Ramp

5. Pulley - d)Flag Pole

Explanation:

Use this mnemonic FLE

In first class lever, Fulcrum is in the middle.(F)

In second class, load is in the middle.(L)

In third class, effort is in the middle. (E)