Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.7 r 0.8 r 0.6 r 0.5 r 0.7 r 0.8 r 0.6 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when None of these Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place Either (A) or (B) None of these Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mv2 mv2 0.5 mgv2 mgv2 0.5 mv2 mv2 0.5 mgv2 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 2r/3 r/A 3r/2 r/2 2r/3 r/A 3r/2 r/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² sin²α/g u² cos²α/g u² cos²α/2g u² sin²α/2g u² sin²α/g u² cos²α/g u² cos²α/2g u² sin²α/2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.) [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² ANSWER DOWNLOAD EXAMIANS APP
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