Table of Contents
What is the unit of tension?
In physics, tension, as a transmitted force, as an action-reaction pair of forces, or as a restoring force, may be a force and has the units of force measured in newtons (or sometimes pounds-force).
Is the dimensional formula of tension and surface tension same?
a) Tension and surface tension. Since tension is a type of force, it will also have the same dimensional formula as the dimensional formula of force i.e. [MLT-2].
What is the dimensional formula stress?
The dimensional formula of Stress is represented as: [M1 L-1 T-2]
What is meant by tension in physics?
A tension force in physics is a force developed in a rope, string, or cable when stretched under an applied force. Tension is acted along the length of the rope/cable in a direction that is opposite to the force applied on it. Tension can also at times be referred to as stress, tensity or tautness.
Does tension and surface tension?
Cohesion and Surface Tension Surface tension could be defined as the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of the water molecules.
What is the unit and dimension of surface tension?
The force per unit length perpendicular to a line drawn in the surface of the liquid is the surface tension. Its SI unit is newtons per metre, and its CGS unit is dynes per centimetre. The dimensions are MT−2.
Is dimensional formula for stress and pressure same?
The above dimension of the quantity, stress is equal to that of pressure. So the dimension formula of stress is equal to that of pressure. Note: Stress and pressure are two words that are frequently interchanged.
Is the dimension of pressure and stress is same?
Stress is the force per unit area so it has the same dimension as pressure.
What are the dimensions of surface tension?
The units for surface tension are therefore newtons per metre (Nm-1) and the dimensions are ML0T-2. The following table gives the surface tensions of some common liquids. The surface tension of a liquid decreases with increase in temperature and vanishes at the critical temperature.
What is the symbol for surface tension?
Surface tension, represented by the symbol γ (alternatively σ or T), is measured in force per unit length. Its SI unit is newton per meter but the cgs unit of dyne per centimeter is also used.
What is surface tension in fluid mechanics?
Surface tension in fluid mechanics is the Elastic like force that exists on the surface of the body, especially that of a liquid which tends to minimize the area of the surface, caused by asymatries in the intermolecular forces between surface molecules.
What is the definition of high surface tension?
Surface tension. Because of the relatively high attraction of water molecules for each other through a web of hydrogen bonds, water has a higher surface tension (72.8 millinewtons per meter at 20 °C) compared to that of most other liquids. Surface tension is an important factor in the phenomenon of capillarity .