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A rectangular wooden block open from one side is lying on a hoprizontal table. different weights are kept in the box one by one. to establish relationship between weight of a block and the minimum force required to just move it using a sppring balance, it is observed that the force required to just move the rectangular block is maximum when we put in a weight of :

a) 40 gwt.

b) 25 gwt.

c) 30 gwt.

d) 35 gwt.

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by angelmathew

perhaps a picture will help in understanding the question properly.. is there a diagram ?

nope sir there's no diagram

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