Match these machines with their examples. 1. seesaw wedge 2. pencil sharpener third-class lever 3. bottle opener wheel and axle 4. forearm second-class lever 5. nail first-class lever

Question

Clark Dixon

Biology

7 July, 09:10

Match these machines with their examples. 1. seesaw wedge 2. pencil sharpener third-class lever 3. bottle opener wheel and axle 4. forearm second-class lever 5. nail first-class lever

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Answers (2)

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Jazlynn Mora · Answer 1

(1) Seesaw is an example of a first-class lever. In the first class lever, the fulcrum is present in the middle of the lever.

(2) Pencil sharper: It is a compound machine. It consists of wheel and axle and wedge also.

Ramon · Answer 2

Simple machines make our work easier. There are many types of simple machines.

(1) Seesaw is an example of a first-class lever. In the first class lever, the fulcrum is present in the middle of the lever.

(2) Pencil sharper: It is a compound machine. It consists of wheel and axle and wedge also.

(3) Bottle opener: It is a type of 2nd class lever. In this, the fulcrum is present at one end.

(4) Forearm: It is an example of a third-class lever. Fulcrum is present at one end in the third class lever.

(5) Nail: It is an example of the wedge as all knives or nails are wedges.