Engineering Mechanics
A force while acting on a body may

Change its motion
Give rise to the internal stresses in it
Balance the forces, already acting on it
All of these

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Engineering Mechanics
The term 'Centroid' is

The same as centre of gravity
The point of suspension
None of the listed here
The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

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