Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 75 mm 50 mm 87.5 mm 125 mm 75 mm 50 mm 87.5 mm 125 mm 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 less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Coplanar non-concurrent forces Non-coplanar concurrent forces Non-coplanar non-concurrent forces Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar concurrent forces Non-coplanar non-concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The bottom surface The centre of heavy portion All of these The midpoint of its axis The bottom surface The centre of heavy portion All of these The midpoint of its axis ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation 6t² - 8t 6f - 4 6f - 8 3t² + 2t 6t² - 8t 6f - 4 6f - 8 3t² + 2t ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Downwards at its upper end Upwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Upwards at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
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