Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. Less than None of these Greater than Equal to Less than None of these Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h2/kG kG2/h h/kG h × kG h2/kG kG2/h h/kG h × kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as Principle of transmissibility of forces Principle of resolution of forces None of these Principle of independence of forces Principle of transmissibility of forces Principle of resolution of forces None of these Principle of independence of forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as Newton's third law of motion None of these Newton's second law of motion Newton's first law of motion Newton's third law of motion None of these Newton's second law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 2mr²/3 7mr²/3 7mr²/5 2mr²/5 2mr²/3 7mr²/3 7mr²/5 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP