Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a²/8 a⁴/16 a⁴/12 a³/12 a²/8 a⁴/16 a⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at All of these The bottom surface The midpoint of its axis The centre of heavy portion All of these The bottom surface The midpoint of its axis The centre of heavy portion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω2/y ω.y ω3.y ω2.y ω2/y ω.y ω3.y ω2.y ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω2 0.5 Iω 0.5 Iω2 Iω Iω2 0.5 Iω 0.5 Iω2 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when No force acts on a body but some displacement takes place None of these Some force acts on a body, but displacement is zero Either (A) or (B) No force acts on a body but some displacement takes place None of these Some force acts on a body, but displacement is zero Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP