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 Rotate about itself without moving Move in any one direction rotating about itself All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of mass Center of gravity Center of percussion Moment of inertia Center of mass Center of gravity Center of percussion Moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/36 db³/12 bd³/12 bd³/36 db³/36 db³/12 bd³/12 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is mr²/3 3mr²/5 2mr²/3 2mr²/5 mr²/3 3mr²/5 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is 2D/(d₁ + d₂) D/(d₁ - d₂) 2D/(d₁ - d₂) D/(d₁ + d₂) 2D/(d₁ + d₂) D/(d₁ - d₂) 2D/(d₁ - d₂) D/(d₁ + d₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h2/kG h × kG kG2/h h/kG h2/kG h × kG kG2/h h/kG ANSWER DOWNLOAD EXAMIANS APP
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