Surface drag is also known as profile drag skin friction shape drag viscous drag

Question

Surface drag is also known as profile drag skin friction shape drag viscous drag b & d The stitches on a baseball make it travel with greater velocity than a smooth ball would travel with lesser velocity than a smooth ball would travel in an unpredictable manner interact less with the air it moves through none of the above For a submerged object, the center of buoyancy is the same as the center of gravity d. center of volume center of mass all of the above radius of rotation Which shape is most conducive to optimizing lift? sphere foil oblong rectangle square The vertical force that always acts upwards is buoyancy gravity acceleration drag turbulence The principle or law used to describe lift is called Fitts'law Pythagorean Theorem Guillen's Law Archimedes' Principle Bernoulli's Principle

Explanation / Answer

We can only answer 4 subquestions at a time, i picked randomly 4 of these and answer them, please repost for the rest of them. Hope this helps

28) the stiches oppose more resistance to air, it travels with less speed than a smooth ball (option b)

29) The center of buoyancy of an object is the centroid of the displaced volume of fluid. (option d)

31) buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object (option e)

32) Lift is the componentof this force that isperpendicular to the oncoming flow direction.there are explanations based directly on Newton’s laws of motion and explanations based on Bernoulli’s principle. Either can be used to explain lift. (option c)

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