Question

Q1. Fill in the Blanks

1. _____ is the fixed point on which the lever moves.

2. When two or more simple machines are joined together, we get a _____ machine.

3. The push or pull applied/acting on an object is called _____.

4. _____ is the ability to do work.

5. A _____ helps to lift heavy loads to a height with less effort.

6. A _____ is made up of two inclined planes that meet to form a sharp edge.

7. A _____ is an inclined plane coiled or wrapped spirally onto a cylinder.

8. _____ is done when an object moves a distance, on applying force

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Answer 1

Answer:

Wheel and axle, screw are other simple machines Complex Machines: It is a combination of two or more simple machines and has a number of parts. A lever is rigid rod which is free to move about a fixed point. The fixed point is called Fulcrum.