Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Point of rotation Virtual centre Instantaneous centre Instantaneous axis Point of rotation Virtual centre Instantaneous centre Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 5 314 25 1.5 5 314 25 1.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of rotational inertia of a body in C.G.S system is gm.cm² cm⁴ kg.cm² gm.cm3 gm.cm² cm⁴ kg.cm² gm.cm3 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, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The 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 potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r2 1/r log r r r2 1/r log r r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics? Fink truss Howe truss King post truss Warren truss Fink truss Howe truss King post truss Warren truss ANSWER DOWNLOAD EXAMIANS APP