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Is surface tension a contact or non-contact force?
Surface tension is a result of cohesive forces between liquid molecules at the surface, so it is a non-contact force that acts at the interface of the liquid with its surroundings.
What force always acts in the opposite direction from gravity?
The normal force, exerted by a surface in contact with an object, always acts perpendicular to the surface and in the direction opposite to gravity to keep the object from falling through the surface.
Does the tension in the string of a swinging pendulum do any work?
No, the tension in the string of a swinging pendulum does not do any work. The tension force acts perpendicular to the direction of motion, so it does not apply a force in the direction of displacement. This means that no work is done by the tension force on the pendulum.
When a body is immersed in a liquid name the two forces acting on it and state their direction of action?
The two forces acting on a body immersed in a liquid are buoyant force (upward direction) and gravitational force (downward direction). Buoyant force acts in the opposite direction to the gravitational force.
What is the definition of a normal force?
The normal force is the perpendicular force exerted by a surface to support an object in contact with it. It acts in the direction perpendicular to the surface.
What is the force that acts on the surface of a liquid?
surface tension
What force acts on the particles of the surface of a liquid?
its surface tension
What is the force that's acts on the surface of a liquid?
surface tension
What is a force that acts on particles at a liquids surface?
Surface tension is the force that acts on particles at a liquid's surface. It is caused by the cohesive forces between the liquid molecules, which creates a barrier that resists the penetration of external objects or forces. This force is responsible for phenomena such as capillary action and the formation of droplets.
Is surface tension a contact or non-contact force?
Surface tension is a result of cohesive forces between liquid molecules at the surface, so it is a non-contact force that acts at the interface of the liquid with its surroundings.
What makes surface tension different to capillarity?
Capillarity is a result of surface tension.Surface tension causes liquid surfaces to be concave or convex. Due to this, there is greater pressure on the concave side of the liquid meniscus. To make the pressures at the same height equal, the liquid in the capillary rises or falls.
Where does surface tension occur?
surface layer molecules only have attractions downwards and sidewards no upwards attraction is there so the sidewards attraction will acts as a elastic force rusult to surface tension manoj kottakkal
What is the water tension?
Cohesive forces between liquid molecules on the surface cause a phenomenon known as surface tension. Due to the lack of surrounding molecules, surface molecules adhere more strongly to another than they would inside a liquid. Surface tension is measured in newtons per meter (N/m) or dyne per centimeter (dyn/cm). The formula to figure surface tension is gamma equals the ratio of the surface force to the distance along which the force acts or gamma = F / d. Variables such as temperature and solution purity can cause F to vary. Pure water at 20 degrees (C) has a surface tension of 72.8 dynes/cm.
What force always acts in the opposite direction from gravity?
The normal force, exerted by a surface in contact with an object, always acts perpendicular to the surface and in the direction opposite to gravity to keep the object from falling through the surface.
Does the tension in the string of a swinging pendulum do any work?
No, the tension in the string of a swinging pendulum does not do any work. The tension force acts perpendicular to the direction of motion, so it does not apply a force in the direction of displacement. This means that no work is done by the tension force on the pendulum.
What is the difference between viscosity and surface tension?
Viscosity is the resistance of flow and surface tension is the lateral force of the bonds between the molecules. Of course, viscosity is resistance of flow and surface tension of lateral force but viscosity is s display of frictional force during laminar flow caused due to intermolecular forces. The surface tension is a function of cohesive forces generated by intermolecular forces among similar molecules. Very rightly since both the parameters are dynamic in natures and hence a 3rd parameter noted as friccohesity is most advanced version of the contribution of the intermolecular forces operational in liquid dynamic behavior. The friccohesity along with surface tension, viscosity, wetting coefficient, interfacial tension are measured with borosil mansingh survismeter.
What makes water have surface tension?
Surface tension is The attraction of molecules to each other on a liquid's surface? Surface tension of water is the physical property of hydrogen bonding that makes the water molecule. The way that this works is that a water molecule (H2O) is a polar molecule. This is because the oxygen has a much higher electronegative value than the hydrogen. This means that the oxygen gets a lot higher 'share' of the shared electrons than the hydrogen does. This gives oxygen a very high partialnegative charge, and the hydrogen a very high partial positive charge. Because of these high partial charges on each end of the molecule, they are very highly attracted to each other
