Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2 g1 g1/g2 g2/g1 g2 g1 g1/g2 g2/g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A simple harmonic motion A rectilinear motion with constant speed A damped oscillatory motion None of these A simple harmonic motion A rectilinear motion with constant speed A damped oscillatory motion None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 6 rad/sec² 1 rad/sec² 12 rad/sec² 4 rad/sec² 6 rad/sec² 1 rad/sec² 12 rad/sec² 4 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 4 8TC 6 7i 8 4 8TC 6 7i 8 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is rough and the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
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