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Grade: 12th pass
        
A 5 kg brick of 20cm*10cm*8cm dimensionless lying on the largest base. It is now made to stand with the vertical. Find the work done.
 
one year ago

Answers : (1)

Vikas TU
6869 Points
							
Work done = mgh
where h would be half of the longest distance (as to distane to centre of mass.)
tat  would be => 20/2 = 10 cm or => 0.1 meter.
Hence,
 W =mgh/2 = > 5*10*0.1 = > 5 joule.
one year ago
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