A cubical box of side 'a' sitting on a table top is pushed horizontally with a gradually increasing force until the box moves. If the force is applied at a height from the table top which is greater than the critical height H, the box topples first. If it applied at a height lesser than the critical height then the box starts sliding first. Then the coefficient of friction between the box and table top isa)2/Hb) 2H/ac) a/Hd) H/a

Dear student,

The correct option is d) H/a

Apply force balance

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