A rectangular block of wood of dimensions 40cm x 20cm x 10cm is kept on a table top. The pressure is greatest when it is rested on

40cm x 20cm

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40cm x 10cm

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20cm x 10 cm

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equal for all cases

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Solution

The correct option is C
20cm x 10 cm

Pressure = force / area

For greatest pressure area must be minimum.

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