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Mohan Sharma
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Asked: 2025-02-07T08:44:31+00:00 In:

A body exerts a force F on a surface of surface area A. Pressure P acting on the surface is

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Poll Results

83.33%(a) P = F/A ( 5 voters )
0% (b) P = A/F
16.67%(c) P = F x A ( 1 voter )
0%(d) P = F/A²
Based On 6 Votes

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The correct answer is (a) P = F/A.
Pressure (P) is defined as the force (F) applied per unit area (A). Mathematically, it is given by:
P = F/A
This means that pressure increases if force increases or area decreases.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

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    1 Answer

    1. (a) The correct relation is P = F/A because pressure is defined as the force acting normally on a unit A surface area.

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-9/

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