WHAT ARE THE DIMENSIONAL FORMULAE FOR1)MODULUS OF RIGIDITY2)COEFFICIENT OF VISCOSITY3)PRESSURE
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G = shear modulus = modulus of rigidity
= lateral stress / lateral strain
= shear stress / shear strain
= ( F / A ) / (x/L)
= F L / A x
= (M L T^-2 * L) / ( L^2 L )
= M L^-1 T^-2
Coefficient of viscosity = eta = pascal * second
= F / A * T
= M L T^-2 L^-2 T
= M L^-1 T^-1
Pressure
= F / A = M L T^-2 / L^2 = M L^-1 T^-2
= lateral stress / lateral strain
= shear stress / shear strain
= ( F / A ) / (x/L)
= F L / A x
= (M L T^-2 * L) / ( L^2 L )
= M L^-1 T^-2
Coefficient of viscosity = eta = pascal * second
= F / A * T
= M L T^-2 L^-2 T
= M L^-1 T^-1
Pressure
= F / A = M L T^-2 / L^2 = M L^-1 T^-2
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