A 40 mm diameter plastic sphere (SG = 1.5) settles in a still water body. The required chart is as follows. a. Find the terminal velocity at which the sphere sinks b. What is the Drag coefficient CD? c. If the sphere starts to rotate counterclockwise at a speed of 50 revolutions per second, find the magnitude and direction of the Magnus force on it D Do 发送反馈 CD, CL 0.8 0.6 0.4 0.2 1 2 D PU²D² @ D Smooth sphere L PU²D² CD= Re= @D/2U UD V 3 = 6 x 104 4

A 40 mm diameter plastic sphere (SG = 1.5) settles in a still water body. The required chart is as follows. a. Find the terminal velocity at which the sphere sinks b. What is the Drag coefficient CD? c. If the sphere starts to rotate counterclockwise at a speed of 50 revolutions per second, find the magnitude and direction of the Magnus force on it D Do 发送反馈 CD, CL 0.8 0.6 0.4 0.2 1 2 D PU²D² @ D Smooth sphere L PU²D² CD= Re= @D/2U UD V 3 = 6 x 104 4

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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