Applied Mechanics and Graphic Statics The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is b³h/12 bh³/36 bh³/2 bh³/3 b³h/12 bh³/36 bh³/2 bh³/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, theni. a force is required to move the body upwardsii. a force is required to move the body downwardiii. the body will not be in equilibriumThe correct answer is both (i) and (ii) both (i) and (iii) only (i) only (ii) both (i) and (ii) both (i) and (iii) only (i) only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three None of these Medians of the triangle meet Perpendicular bisectors of the sides of the triangle meet Bisectors of the angle of the triangle meet None of these Medians of the triangle meet Perpendicular bisectors of the sides of the triangle meet Bisectors of the angle of the triangle meet ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl/4d wl²/4d wl²/16d wl²/8d wl/4d wl²/4d wl²/16d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is 350 m 400 m 375 m 425 m 350 m 400 m 375 m 425 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be 5 m/sec None of these Zero 10 m/sec 5 m/sec None of these Zero 10 m/sec ANSWER DOWNLOAD EXAMIANS APP