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 0.5 mgv2 mgv2 mv2 0.5 mv2 0.5 mgv2 mgv2 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -9.8 m/s2 -8.9 m/s2 +9.8 m/s2 +8.9 m/s2 -9.8 m/s2 -8.9 m/s2 +9.8 m/s2 +8.9 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called Newton's first law of motion Principle of conservation of momentum Newton's second law of motion Principle of conservation of energy Newton's first law of motion Principle of conservation of momentum Newton's second law of motion Principle of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar non-concurrent forces are those forces which Do not meet at one point and their lines of action do not lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane 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 h × kG h2/kG h/kG kG2/h h × kG h2/kG h/kG kG2/h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of moment of inertia of an area is kg-m2 kg-m-s2 m4 kg/m2 kg-m2 kg-m-s2 m4 kg/m2 ANSWER DOWNLOAD EXAMIANS APP
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