Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h × kG h/kG kG2/h h2/kG h × kG h/kG kG2/h h2/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 + (∑H)2 √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 + (∑H)2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Kinetic energy of rotation only Kinetic energy of translation and rotation both Kinetic energy of translation only Potential energy only Kinetic energy of rotation only Kinetic energy of translation and rotation both Kinetic energy of translation only Potential energy only ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are wrong Constant Equal to the moment of the couple Both of above are correct Both of above are wrong Constant Equal to the moment of the couple Both of above are correct ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-half of the total height above base One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-half of the total height above base One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP