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 rough and the wall is smooth Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is smooth and the wall is rough Floor is rough and the wall is smooth Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act On any point on the line of action of the force On the periphery of the body At any point on the surface normal to the line of action of the force At the centre of gravity of the body On any point on the line of action of the force On the periphery of the body At any point on the surface normal to the line of action of the force At the centre of gravity of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to 1 kg 5 kg 7 kg None of these 1 kg 5 kg 7 kg None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is tan θ sin θ cos θ cosec θ tan θ sin θ cos θ cosec θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is Between 0 and 1 1 0.5 Zero Between 0 and 1 1 0.5 Zero ANSWER DOWNLOAD EXAMIANS APP
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