Question

1.
Write the name of any machine.
2. Name a machine which works with human power.
3. Name a machine that runs on fuel.
4. Name a machine that can do many things at a time.
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Answer 1

Answer:

1. ans. electric iron

2. ans. cycle

3. ans. engine

4. ans. wheel

Explanation:

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Answer 2

Answer:

1. There are six different simple machines. They are the wheel and axle, inclined plane, screw, wedge, pulley, and lever.
2. Treadmills. Treadwheels, also called treadmills, are engines or machines powered by humans. These may resemble a water wheel in appearance, and can be worked either by a human treading paddles set into its circumference (treadmill), or by a human standing inside it (treadwheel).
3. The two machine which work with fuel are generator and vehicle motors. EXPLANATION: Vehicles such as bike, car, bus, motorcycles use petroleum products like petrol and diesel as fuels.
4. super computer a machine can do many things at a time.