Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to kG2/h h/kG h2/kG h × kG kG2/h h/kG h2/kG h × kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: The change in momentum suffered by rubber ball is more than the lead ball The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum None of these The change in momentum suffered by rubber ball is more than the lead ball The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact. Equal to Less than Equal and opposite to Greater than Equal to Less than Equal and opposite to Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/4 ml2/8 ml2/ 6 ml2/12 ml2/4 ml2/8 ml2/ 6 ml2/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd3/16 πd3/32 πd4/64 πd4/32 πd3/16 πd3/32 πd4/64 πd4/32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Power is being transmitted Body has kinetic energy of translation None of these Work is said to be done Power is being transmitted Body has kinetic energy of translation None of these Work is said to be done ANSWER DOWNLOAD EXAMIANS APP