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A small block of mass 1.2 kg is pushed against a 2.3 kg block by your hand such that if you don't push the small block fast enough against the large block the small block will slide down to a platform. The coefficient of static friction between the two blocks is 0.3 and the coefficient of static and kinetic frictions between the large block and the smooth platform is zero. Find the minimum force that your hand can exert on the small block to keep it from sliding down against the large block.

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Category:- Physics
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