Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Zero at its upper end Downward at its upper end Perpendicular to the wall at its upper end Upward at its upper end Zero at its upper end Downward at its upper end Perpendicular to the wall at its upper end Upward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular acceleration is rad/s2 N-m m/s2 m/s rad/s2 N-m m/s2 m/s 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 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 Both the balls undergo an equal change in momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A couple produces Rotational motion Translatory motion None of these Combined translatory and rotational motion Rotational motion Translatory motion None of these Combined translatory and rotational motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A redundant frame is also called __________ frame. None of these Deficient Imperfect Perfect None of these Deficient Imperfect Perfect ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 100 400 200 50 100 400 200 50 ANSWER DOWNLOAD EXAMIANS APP
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