Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/5 mr²/3 2mr²/3 3mr²/5 2mr²/5 mr²/3 2mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g t = 2u. tanα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g t = 2u. tanα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then None of the listed here P = Q Q = 2R Q = R None of the listed here P = Q Q = 2R Q = R ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₁ - u₂)/(v₁ - v₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₁ - v₂)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.8 r 0.7 r 0.6 r 0.5 r 0.8 r 0.7 r 0.6 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.) P = mW - C P = C - mW P = mW + C P = m/W + C P = mW - C P = C - mW P = mW + C P = m/W + C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS