Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (ii) (i) and (iii) Only (i) All (i), (ii) and (iii) (i) and (ii) (i) and (iii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is 12.0 J 4.5 J 9.0 J 18.0 J 12.0 J 4.5 J 9.0 J 18.0 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is decreased Must be decreased Is not changed but weight of the bob is increased Must be increased Is not changed but weight of the bob is decreased Must be decreased Is not changed but weight of the bob is increased Must be increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated All listed here Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Proportional to the square of the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Inversely proportion to the distance from the point of reference Proportional to the square of the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Inversely proportion to the distance from the point of reference ANSWER DOWNLOAD EXAMIANS APP