MEDIUM
5th CBSE
IMPORTANT
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Archimedes, the ancient Greek inventor, once said, “Give me a lever long enough, and I can move the earth.” Do you think this can be done?

Important Questions on Simple Machines

MEDIUM
5th CBSE
IMPORTANT
AWARENESS SCIENCE Book 5>Chapter 10 - Simple Machines>Think And Answer>Q 3
A wheel is not a simple machine because, in itself, it cannot decrease or increase force or change its direction. What is done to make it into a simple machine?
MEDIUM
5th CBSE
IMPORTANT
AWARENESS SCIENCE Book 5>Chapter 10 - Simple Machines>Project 1>Q 1

Archimedes used the principle of the screw to make the machine. Draw water from a river. Find out the name given to the machine.

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