Applied Mechanics and Graphic Statics On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts Upwards at its upper end Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Upwards at its upper end Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a right circular cone lies on its axis of symmetry at a height of h/3 h/4 h/2 h/5 h/3 h/4 h/2 h/5 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 wl²/4d wl²/16d wl²/8d wl/4d wl²/4d wl²/16d wl²/8d wl/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of moments in M.K.S system, is kg/sec2 kg/m2 kg.m kg/sec kg/sec2 kg/m2 kg.m kg/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on i. the magnitude of the force ii. the direction of the force iii. the point of application of the force relative to origin The correct answer is only (i) all (i), (ii) and (iii) both (i) and (ii) both (i) and (iii) only (i) all (i), (ii) and (iii) both (i) and (ii) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is π/32 (D⁴ - d⁴) π/32 (D⁴ × d⁴) π/32 (D⁴ + d⁴) π/64 (D⁴ + d⁴) π/32 (D⁴ - d⁴) π/32 (D⁴ × d⁴) π/32 (D⁴ + d⁴) π/64 (D⁴ + d⁴) ANSWER DOWNLOAD EXAMIANS APP