Question

A 2cm cubical block of mass 2 kg is lying on the ground what is the pressure exerted by the block on the ground

Answer 1

$mass \: of \: block = 2kg \\ edge \: of \: cube = 2cm \\ area \: of \: the \: bottom \: face \: ofcube = 2 \times 2 \\ = 4 {cm}^{2} \\ now \\ pressure = thrust \div area \\ p = mass \times g \: \div 4 {cm}^{2} \\ p = 2 \times 10 \div 4 \\ p = 20 \div 4 \div 10000 {m}^{2} \\ p = 5 \div 10000 \\ p = 0.0005pascal$

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