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ICSE Class 6 Answered

How is a wheel a simple machine?   
Asked by Purvi.nilay123 | 16 Oct, 2019, 22:34: PM
answered-by-expert Expert Answer
We know that  an object that allows us to do work with less effort than if we do the same job without any outside help is called simple machine. 
A wheel is a circular object capable of rotating along its axis. Wheels are used like a roller to reduce the friction and hence the effort required to move a heavy object is reduced. Thus, wheel when used with an axle works as a simple machine. 
Answered by Shiwani Sawant | 17 Oct, 2019, 10:46: AM
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ICSE 6 - Physics
The load arm of a lever is 2 m long and and it's effort arm is 3 m long .what is the effort required to lift a load of 21N
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ICSE 6 - Physics
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Wheelbarrow which class lever  
Asked by mamtasalecha | 22 Oct, 2019, 20:30: PM
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How is a wheel a simple machine?   
Asked by Purvi.nilay123 | 16 Oct, 2019, 22:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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