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Question: Which of the following quantities is conserved in a closed system of rotating bodies?Optio..
Question: A torque of 10 Nm is applied to a wheel with a moment of inertia of 2 kg·m². What is the a..
Question: A disk rotates about its axis with an angular velocity of ω. If its radius is doubled, wha..
Question: What is the moment of inertia of a thin rod of length L about an axis perpendicular to it ..
Question: A solid sphere and a hollow sphere of the same mass and radius are rolling down an incline..
Question: In a capillary tube, how does the viscosity of a fluid affect the height to which it rises..
Question: What happens to the viscosity of a gas as temperature increases?Options: Viscosity decreas..
Question: Which of the following is a non-Newtonian fluid?Options: WaterGlycerinCornstarch in waterM..
Question: What is the effect of increasing the molecular weight of a polymer on its viscosity?Option..
Question: Which of the following equations represents the relationship between shear stress and shea..
Question: What is the relationship between temperature and viscosity for most liquids?Options: Visco..
Question: In a fluid flowing through a pipe, which factor does NOT affect the viscosity?Options: Tem..
Question: Which of the following fluids has the highest viscosity?Options: WaterHoneyAirOlive oilCor..
Question: What is the SI unit of viscosity?Options: Pascal-secondNewton-secondKilogram-meter per sec..
Question: How does the addition of a surfactant affect the surface tension of water?Options: Increas..
Question: Which of the following phenomena is NOT related to surface tension?Options: Capillary acti..
Question: What is the shape of a liquid droplet on a surface due to surface tension?Options: FlatCyl..
Question: A soap solution is added to water. What happens to the surface tension?Options: IncreasesD..
Question: If a liquid has a high surface tension, what can be inferred about its molecular interacti..
Question: What is the unit of surface tension?Options: N/mJ/m²PaNCorrect Answer: N/mSolution: Surfac..
Question: A small insect can walk on the surface of water due to which property?Options: ViscositySu..
Question: Which of the following liquids has the highest surface tension at room temperature?Options..
Question: What is the effect of temperature on the surface tension of a liquid?Options: Surface tens..
Question: A cylindrical rod is subjected to a tensile force. If the radius of the rod is halved whil..
Question: What is the relationship between stress and strain in the elastic region of a material?Opt..
Question: If a material exhibits plastic deformation, which of the following is true?Options: It ret..
Question: Which of the following statements about elastic potential energy stored in a stretched wir..
Question: In a shear stress-strain relationship, what does the slope of the linear portion represent..
Question: A material has a bulk modulus of 200 GPa. If the pressure applied to it is increased by 50..
Question: If the length of a wire is doubled while keeping the cross-sectional area constant, how do..