Question

III. State if the following statements are True or False. Correct the false statement.
1. A machine can do work by itself.
2. A stapler is a complex machine,
3. A lemon squeezer is a lever of class-III.
4. A pulley is a grooved wheel.
5. A wheel and axle is a simple machine made up of two identical cylinders.​

Answer 1

Answer:

1. true

2. false

3. false

4. true

5. true

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Answer 2

Explanation:

1:true 2 false 3 false 4 true 5 false