box has dimensions 15cm?20cm?25cm. calculate pressure exerted by the box if it is rested on a surface at (a) 15cm?30cm (b) 20cm?25cm (c) 15cm ? 25cm, given mass of box is 20kg. Arrange the pressure in ascending order of their magnitude.

Dear Student,

a Pressure, P=ForceAreaP=mgAP1=20×1015×30×10-4=4.44×103 N/m2b P2=20×1020×25×10-4=4×103 N/m2c P3=20×1015×25×10-4=5.33×103 N/m2P2<P1<P3

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