Among all the objects of the same mass shown below, which of the following objects will exert the maximum pressure on the floor kept as shown?
A
Object A:
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B
Object B:
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C
Object C:
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D
Object D:
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Solution
The correct option is A Object A:
Pressure is inversely proportional to the area of the contact. So, the object having minimum surface area of the base will exert maximum pressure on the floor. Object A touches the floor only at a point, so it has the minimum surface area of contact. Thus, pressure exerted by object A is maximum.