Centre of gravity and centroid, Mechanical Engineering

Assignment Help:

Q. Explain the terms centre of gravity and centroid.

Sol.: A point can be found out in a body through which resultant of all such parallel forces acts. This point through which whole weight of body acts irrespective of position of body is called as centre of gravity. Everybody has one centre of gravity.

The plane figures like rectangle, circle, triangle etc., have only areas, but do not have mass. The centre of area of such figure is called as centroid.

The method of finding centroid of a figure is same as that of finding out C.G. of body.

X =     Ai . xi/A

Y =  Ai . yi/A

C.G. = (X,Y)


Related Discussions:- Centre of gravity and centroid

Welding, difference between pinhole and porosity

difference between pinhole and porosity

Explain single piece pattern, Single piece pattern These are inexpensiv...

Single piece pattern These are inexpensive and the simplest type of patterns. As the name indicates, they are made of a single piece as shown in Figure.2.2 this type of pattern

Insulation and heat tracing, • insulation thickness • heat tracing type (gl...

• insulation thickness • heat tracing type (glycol, electric, steam): • controlled or self-limiting • traps • identification • requirements limits

Instantaneous stress formula, Ask quesinstantaneous stress formulation #Min...

Ask quesinstantaneous stress formulation #Minimum 100 words accepted#

Determine the forces in the members, A truss of 12 m span is loaded as show...

A truss of 12 m span is loaded as shown in figure below. Determine the forces in the members of the truss by method of sections.

Explain the zeroth law of thermodynamics, (a) Describe and explain the Zero...

(a) Describe and explain the Zeroth law of thermodynamics. Why it is so called ? What is understand by fixed points of a thermometric scale ? (b) In what respects are the work a

Introduction to welding processes, Welding is a material joining process us...

Welding is a material joining process used in making welds and a weld is a localised coalescence of metals or non metals produced either by heating the materials to suitable temper

Can you explain pattern allowances, Q. Can you explain Pattern Allowances? ...

Q. Can you explain Pattern Allowances? The difference in the dimensions of the casting and the patterns is due to the various allowances considered while designing a pattern fo

Construction and working of locomotive boiler, CONSTRUCTIO N and WORKING: ...

CONSTRUCTIO N and WORKING: The boiler barrel is cylindrical shell and consists of large number of flue tubes. The barrel comprise of a rectangular fire box at one end and a

Material selection by temperature range, Q. Material selection by temperatu...

Q. Material selection by temperature range 750° to 1100°F (400° to 600°C) ? Plain carbon steels are usually limited to a maximum operating temperature of 750°F (400°C).  There

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd