Question

IMLT pol (PI) No pud Ro scalar Co-ancient of viscosity n Scalar No R Nm- Reynold's Nuniber IMT ТІ s Surface Tensioni EXERCISES Explain why 10.6 Toricelli's barometer used mercury Pase 984 kg m'. Determine the height of pressure 10.7 A vertical off-shore structure is built the structure suitable for putting up depth of the ocean to be roughly 3 ku 10.8 A hydraulic automobile lift is designe kg. The area of cross-section of the maximum pressure would the small 10.9 AU-tube contains water and methyls columns in the two arms are in level of spirit in the other. What is the sp 10.10 In the previous problem, If 15.0 cm the respective arms of the tube, why the two arms? (Specific gravity of 10.11 Can Bernoulli's equation be used to river? Explain. 10.12 Does Il matter if one uses gauge Ins equation ? Explain. 10.13 Glycerine flows steadily through a cm. If the amount of glycerine coll what is the pressure difference glycerine = 1.3 x 10 kg mand like to check if the assumption o 10.14 In a test experiment on a modela upper and lower surfaces of the v the lift on the wing if its area is 10.15 Figures 10.23(a) and (b) refer to the two figures is incorrect? W 10.1 (b) Atmospheric pressure at a height of about 6 km decrcases to nearly hall (a) The blood pressure in humans is greater at the feet than at the brain Its value at the sea level, though the helght of the atmosphere is more than (c) Hydrostatic pressure is a scalar quantity even though pressure is force 100 km divided by arca. 10.2 (a) The angle of contact of mercury with glass is obtuse, while that of water Explain why (b) Water on a clean glass surface tends to spread out while mercury on the same surface tends to form drops. (Put differently, water wets glass while Surface tension of a llquld is independent of the area of the surface (c) Water with detergent disolved in It should have small angles of contact (e) A drop of liquid under no external forces is always spherical in shape (d) 10.3 (a) Surface tension of liquids generally ... with temperatures (increases (b) Viscosity of gases ... with temperature, whereas viscosity of liquids decreases) (c) For solids with elastic modulus of rigidity, the shearing force is to.... while for fluids It is proportional to ... (shear strain / rate of she constriction follow strain) (d) For a Nuid in a steady flow, the increase in flow speed at a (e) with glass is acute. mercury does not.) with each statement Fill in the blanks using the word(s) from the list appended proportional temperature (Increases / decreases) (conservation of mass/Bernoulli's principle) .. speed for port the model of a plane brane indetere la tua bendence occurs at a. turbulence for an actual plane (greater / smaller) (a) It gush 10.4 Explain why (b) When we try to close a water tap with our fingers, fast jets of water (c) The size of the needle of a syringe controls flow rate better than the thumb Injection (d) A fluid flowing out of a small hole in a vessel results in a backward thrust on the vessel A 50 kg girl wearing high heel shoes balances on a single heel. The heel is circular (e) A spinning cricket ball in air does not follow a parabolic trajectory 10.5 with a diameter 1.0 cm. What is the pressure exerted by the heel on the horizontal floor? through the openings between our fingers pressure exerted by a doctor while administering an 10.16 The cylindrical tube of a sp which has 40 fine holes eac is 1.5 m min-, what is the 10.17 A U-shaped wire is dipped formed between the wire a (which includes the small What is the surface tensio 10.18 Figure 10.24 (a) shows at What is the weight suppo In Fig. (b) and (c)? Explai​

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