A rectangular block of mass 300kg is placed on the ground. Area of contact is 1.5m2. Calculate the pressure exerted by the block. (Take accelaration due to gravity =10m/s2).
A
500Pa
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B
1000Pa
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C
2000Pa
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D
5000Pa
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Solution
The correct option is C2000Pa Given: Mass of block, m=300kg, Area of contact, A=1.5m2 Acceleration due to gravity, g=10m/s2
Force acting is equal to weight of the block: F=mg F=300×10=3000N
From definition of Pressure: P=FA P=3000N1.5m2 P=2000Pa