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A rectangular block of dimensions 6m xx ...

A rectangular block of dimensions `6m xx 4m xx 2m` and of density 1.5 gm/c.c is lying on horizontal ground with the face of largest area in contact with the ground. The work done in arranging it with its smallest area in contact with the ground is, `(g = 10ms^(-2))`

A

2880 kj

B

1440 kj

C

3800 kj

D

720 kj

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The correct Answer is:
B
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - II (WORK)
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  14. A force of (4x^(2)+3x)N acts on a particle which displaces it from x=2...

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  15. Velocity -time graph of a particle of mass 2 kg moving in a straight l...

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  17. A body moves a distance of 20 m along a striaght line under the action...

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