Problem 3.The assembly shown consists of a solid sphere of mass m and the uniform slender rod of the samemass, both of which are welded to the shaft. The assembly is rotating with angular velocity w at aparticular moment. Find the angular momentum with respect to point O, in terms of the axesshown.Answer: Ñ。 = ½mc²wcosßsinßĵ + (}{mr²w + 2mb²w + ½ mc²wcos²ß) k3mrb2Cلاm

Step 1: Understanding the Given System The assembly consists of: A solid sphere of mass m and…

Answered: Problem 3. The assembly shown consists…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A single cylinder reciprocating engine has speeded 300 RPM. Stroke 250 mm, mass of reciprocating parts 50 kg. Mass of revolving parts at 150 mm radius 37 kg. If two fourth of the reciprocating parts and all the revolving parts are to be balanced, find (i) The balance mass required at 400 mm radius (ii) The residual unbalanced force when the crank has rotated 45° TDC.
A gear of mass m = 10 kg and radius R=0.25 m may rotate about its center of mass C, which is fixed. A rack of mass m = 10 kg is subjected to a constant force Fo = 20 N, as shown. The rack and gear are geared together (gear teeth not shown), so that the force Fo drives the rack to the right and rotates the gear. Find the angular ácceleration a of the gear and find the force f exerted by the rack on the gear. The gear is to be modeled as a uniform circular disc. Fixed Fo3 20 N Rack
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Dynamics
Dynamics
An aeroplane runs at 600 km/ h. The rotor of the engine weighs 4000 N with radius of gyration of 1 metre. The speed of rotor is 3000 rpm in anticlockwise direction when seen from rear side of the aeroplane. If the plane takes left turn in a curve of 100 metres radius, find: 1. gyroscopic couple developed; and 2. effect of reaction gyroscopic couple developed on the body of aeroplane by using vector diagram.

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