Question
Fluid is a substance which offers no resistance to change of _________.
The correct answer is
shape
Fluid: Resistance to Shape Change
A fluid is fundamentally characterized by its inability to resist shape change when subjected to a shearing force.
- Definition of a Fluid: A substance that continuously deforms (flows) under an applied shear stress.
- Key Property: Fluids offer no permanent resistance to the forces that try to change their shape.
- Comparison: Unlike solids, which can resist deformation up to a certain limit, fluids will keep deforming as long as the force is applied.
Therefore, the defining characteristic missing in the statement is shape.
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Important Questions from Properties of Fluids
The Value of density of water is ________.
Specific Gravity of Mercury is ________.
The condition of "No-slip" at rigid boundaries is applicable to
One poise is equivalent to:
Dynamic viscosity has the dimensions as
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