Applied Mechanics and Graphic Statics The characteristic of a couple is: Algebraic sum of forces, constituting a couple is zero Algebraic sum of moments of forces, constituting a couple, about any point, is same A couple can be never the balanced by a single force All listed here Algebraic sum of forces, constituting a couple is zero Algebraic sum of moments of forces, constituting a couple, about any point, is same A couple can be never the balanced by a single force All listed here ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ 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 6 7i 8 8TC 4 6 7i 8 8TC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is 10 kg 40 kg 100 kg 60 kg 10 kg 40 kg 100 kg 60 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path Acts towards the centre of rotation Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at None of these Quarter span Supports Mid span None of these Quarter span Supports Mid span ANSWER DOWNLOAD EXAMIANS APP
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