Engineering Mechanics
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate

2.5 cm
1.5 cm
0.5 cm
1.0 cm

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Engineering Mechanics
For any system of coplanar forces, the condition of equilibrium is that the

Algebraic sum of the vertical components of all the forces should be zero
Algebraic sum of moments of all the forces about any point should be zero
All of these
Algebraic sum of the horizontal components of all the forces should be zero

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