Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n n 2n - 1 n² 2n n 2n - 1 n² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(gh) 2g.√h √(2gh) 2.√(gh) √(gh) 2g.√h √(2gh) 2.√(gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Remain horizontal Slant down towards direction of pull Slant up towards direction of pull None of these Remain horizontal Slant down towards direction of pull Slant up towards direction of pull None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/8 a4/12 a4/4 a4/36 a4/8 a4/12 a4/4 a4/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The bottom surface The midpoint of its axis All of these The centre of heavy portion The bottom surface The midpoint of its axis All of these The centre of heavy portion ANSWER DOWNLOAD EXAMIANS APP
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