Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point ANSWER DOWNLOAD EXAMIANS APP
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 1.5 cm 0.5 cm 2.5 cm 1.0 cm 1.5 cm 0.5 cm 2.5 cm 1.0 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are wrong Equal to the moment of the couple Both of above are correct Constant Both of above are wrong Equal to the moment of the couple Both of above are correct Constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. Either ‘A’ or ‘B’ Do not meet None of these Meet Either ‘A’ or ‘B’ Do not meet None of these Meet ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Upwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Downwards at its upper end Upwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Downwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may All of these Be completely at rest Move in any one direction rotating about itself Rotate about itself without moving All of these Be completely at rest Move in any one direction rotating about itself Rotate about itself without moving ANSWER DOWNLOAD EXAMIANS APP
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