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Block with a force

BLOCK WITH A FORCE

THERE IS A BLOCK OF SIDE X METRES RESTING ON A FRICTIONLESS SURFACE

A FORCE F IS APPLIED AT THE LEFT TOP OF THE BOX(TAKE THE DIRECTION OF FORCE IS FROM LEFT TO RIGHT) HORIZONTALLY

NOTE: THE FORCE IS NOT AT THE CENTRE OF GRAVITY.

PROVE THAT THE BOX TENDS TO ROTATE ABOUT THE CENTRE OF GRAVITY ONLY.

ALSO PROVE THAT THE BOX WILL NOT TEND TO ROTATE ABOUT ANY OTHER POINT EXCEPT THE CENTRE OF GRAVITY.

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Solution Summary

This is an explanation for proving that the box tend to rotate about the centre of gravity only when a force is applied at the left top of the box.
It also prove that the box will not tend to rotate about any other point except the centre of gravity.
The solution is detailed and well presented.

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