Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 137.5 cm⁴ 437.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ cos θ P² + Q² + 2PQ tan θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down None of these Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball None of these Rubber and lead balls undergo equal changes in momentum Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The forces which meet at one point and have their lines of action in different planes are called Non-coplanar non-current forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-current forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body moves round a fixed axis, it has A circular motion A translatory A rotary motion and translatory motion A rotary motion A circular motion A translatory A rotary motion and translatory motion A rotary motion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS