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Pascal’s Law Pascal’s Law It states that the increase in pressure at one point of the enclosed liquid in equilibrium of rest is transmitted equally without loss to all other points of the liquid and also to the walls of the container, provided the effect of gravity is neglected. Proof. Let us consider that an…
Relative Density | Specific Gravity Relative Density Relative density(R.D.) is defined as the ratio of the density of a given substance to the density of pure water at 4°C. R.D. = density of a given substance/density of pure water at 4°C R.D. is a unitless and dimensionless positive scalar physical quantity. Being a dimensionless/unitless quantity…
Pressure of Liquid Pressure of Liquid The normal force (or thrust) exerted by liquid at rest per unit area of the surface in contact with it, is called pressure of liquid or hydrostatic pressure. If F is the normal force acting on a surface area A in contact with liquid, then pressure exerted by liquid…
Strain in Physics (Types of Strain in Physics) Strain in Physics (Types of Strain in Physics) The ratio of change in dimension to the original dimension is called strain. Strain formula (Strain in Physics) Strain = change in size of the object / initial size of the object It is a unitless and dimensionless…
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विकृति क्या है ? परिभाषा, उदाहरण, प्रकार | What is Strain in Hindi विकृति क्या है ? परिभाषा, उदाहरण, प्रकार (What is Strain in Hindi) :- वस्तु के विन्यास (विमा,आकार) में परिवर्तन तथा वास्तविक विन्यास (विमा/आकार) के अनुपात को विकृति कहते हैं। विकृति का सूत्र (What is Strain in Hindi) विकृति = वस्तु के…
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प्रतिबल | प्रतिबल किसे कहते हैं प्रतिबल | प्रतिबल किसे कहते हैं ? पदार्थ के एकांक अनुप्रस्थ काट क्षेत्रफल के संगत आंतरिक प्रत्यानयन बल को प्रतिबल कहते हैं। प्रतिबल = (आंतरिक प्रत्यानयन बल/अनुप्रस्थ काट क्षेत्रफल ) = Fआंतरिक /A = Fबाह्य/A SI मात्रक : Nm–2 विमाएं : [M1 L–1 T–2] प्रतिबल के प्रकार (प्रतिबल किसे…
दृढ़ वस्तु (Rigid meaning in Hindi) Rigid body meaning in Hindi (rigid meaning in Hindi) दृढ़ वस्तु ( rigid meaning in Hindi) ( rigid body meaning in Hindi ) एक दृढ़ वस्तु एक ऐसे पिंड का एक आदर्शीकरण है जिसमें विरूपण शून्य होता है, चाहे उस पर कितना भी बाह्य विरूपक बल लगाया जाए। हम…
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प्रत्यास्थता (Elasticity in Hindi) प्रत्यास्थता (Elasticity in Hindi) प्रत्यास्थता पदार्थ का वह गुण है जिसके कारण वस्तु विरूपण बल के हटने पर अपने मूल आकार और आकृति को पुनः प्राप्त करने के लिए प्रवृत्त होती है। प्रत्यास्थता से संबंधित कुछ महत्वपूर्ण पद (Elasticity in Hindi) विरूपक बल :- वह बाह्य बल जो किसी पिंड की…
Elasticity Elasticity Elasticity is the property of matter by virtue of which a body tends to regain its original shape and size after the removal of deforming forces. Some important terms related to elasticity Deforming Force :- The external force which try to change the length, volume or shape of a body is called deforming…
Rigid Body A rigid body is an idealization of a body in which deformation is zero no matter how large an external deforming force is applied on it. We can define a rigid body as an object in which the relative positions of its constituent particles remains unchanged when external deforming forces are applied to…