Engineering Mechanics
The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to

The sum of the resolved parts of the forces in the given direction
The algebraic sum of the resolved parts of the forces in the given direction
The sum of the forces multiplied by the sine of θ
The difference of the forces multiplied by the cosine of θ

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Engineering Mechanics
Coplanar concurrent forces are those forces which

Meet at one point, but their lines of action do not lie on the same plane
Meet at one point and their lines of action also lie on the same plane
Do not meet at one point, but their lines of action lie on the same plane
Do not meet at one point and their lines of action do not lie on the same plane

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Engineering Mechanics
The term 'Centroid' is

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

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