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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Limiting friction Static friction Dynamic friction Coefficient of friction Limiting friction Static friction Dynamic friction Coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/8 v/4 v/2 v v/8 v/4 v/2 v ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. sinα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. tanα/g t = 2u. sinα/g t = 2u. cosα/g t = 2u/g.sinα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Twice the area of the triangle None of these Half the area of the triangle Area of the triangle Twice the area of the triangle None of these Half the area of the triangle Area of the triangle 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. None of these Do not meet Meet Either ‘A’ or ‘B’ None of these Do not meet Meet Either ‘A’ or ‘B’ ANSWER DOWNLOAD EXAMIANS APP
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