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1. State Bernoulli Theorem with its prove?
2. State Pascal law .Explain the working of hydraulic brakes?
3. Application of elasticity?
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Answers
Answer:
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1 Answer -- For the streamline flow of non-viscous and incompressible liquid, the sum of potential energy, kinetic energy and pressure energy is constant. Proof: ... This work done on liquid by pressure increases it's kinetic energy and potential energy.
2 answer -- Hydraulic brakes work on the principle of Pascal's law. According to this law whenever pressure is applied on a fluid it travels uniformly in all the directions. ... As braking force is generateddue to hydraulic pressure,theyare known as hydraulic brakes. Liquids are used instead of gas as liquids are incompressible.
3 answer ----A slingshot deforms when you stretch it. However, it regains its original shape when you stop applying a force. But let us say that you take a thin steel rod and try to bend. You manage to bend it a little and then stop applying force. Does the rod regain its original shape? No, it doesn’t. This difference in the behaviour of the material is based on their elastic and plastic nature.
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Answer:
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Bernoulli's theorem. Statement: For the streamline flow of non-viscous and incompressible liquid, the sum of potential energy, kinetic energy and pressure energy is constant. Proof: ... This work done on liquid by pressure increases it's kinetic energy and potential energy.
Hydraulic brakes work on the principle of Pascal's law. According to this law whenever pressure is applied on a fluid it travels uniformly in all the directions. ... As braking force is generateddue to hydraulic pressure,theyare known as hydraulic brakes. Liquids are used instead of gas as liquids are incompressible.
Different materials show different elastic behaviour. The study of the elastic behaviour of a material is of much importance. Almost every engineering design requires knowledge of the elastic behaviour of materials.
Applications of this Concept
In the construction of various structures like bridges, columns, pillars, beams, etc. Knowledge of the strength of the materials used in the construction is of prime importance.