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 units of moment of inertia of mass are kg/m² kg-m² kg/m m²/kg kg/m² kg-m² kg/m m²/kg ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 (∑V)2 +(∑H)2 +2(∑V)(∑H) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω 2π/ω 2π × ω ω/2π π/ω 2π/ω 2π × ω ω/2π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P/m.a = 0 P × m.a = 0 P + m.a = 0 P - m.a = 0 P/m.a = 0 P × m.a = 0 P + m.a = 0 P - m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 45° 90° 60° 30° 45° 90° 60° ANSWER DOWNLOAD EXAMIANS APP