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 All of these Algebraic sum of moments of all the forces about any point should be zero 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 All of these Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the horizontal components of all the forces should be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The units of moment of inertia of mass are kg-m² m²/kg kg/m kg/m² kg-m² m²/kg kg/m kg/m² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D / d D + d D - d D × d D / d D + d D - d D × d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -9.8 m/s2 +9.8 m/s2 +8.9 m/s2 -8.9 m/s2 -9.8 m/s2 +9.8 m/s2 +8.9 m/s2 -8.9 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces Non-coplanar non-concurrent forces Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces Non-coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
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