Concepts Of Physics MCQ Edition [Volume 1]PhysicsIntroduction to Physics
Assuming force, length, and time to be the fundamental quantities, determine the dimensions of pressure.
Options
- AFL⁻¹
- BF^2L⁻²
- CFL⁻²
- DFL⁻³
Correct answer
C. FL⁻²
Step-by-step solution
Pressure is defined as force acting per unit area. P = F A The dimensional formula for area is L^2 . Substituting the fundamental dimensions of force and area, we get: [P] = F L^2 = FL⁻²