Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.5 r 0.7 r 0.8 r 0.6 r 0.5 r 0.7 r 0.8 r 0.6 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 β/2 30° + β/2 45° + β/2 60° + β/2 β/2 30° + β/2 45° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is joule kg-m erg Newton joule kg-m erg Newton ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of limiting friction and normal reaction is known as Coefficient of friction Angle of repose Sliding friction Angle of friction Coefficient of friction Angle of repose Sliding friction Angle of friction 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: Both the balls undergo an equal change in momentum 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 None of these Both the balls undergo an equal change in momentum 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A non-reversible machine None of these A reversible machine An ideal machine A non-reversible machine None of these A reversible machine ANSWER DOWNLOAD EXAMIANS APP
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