22. Prove the law of conservation of linear momentum.
23. State and prove work-energy theorem for a constant force.
24. Draw stress-strain graph for metal. Mention yield point and fracture point.
25. State and explain Bernoulli’s theorem. Mention any one application of Bernoulli’s theorem.
26. Mention any three assumptions of kinetic theory of gases.
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Explanation:
Law of conservation of momentum states that total momentum of system remains conserved in the absence of external force. Proof: Consider a body of mass m1 moving with velocity U1, striking against another body of mass m2 moving with velocity U2.
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