Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = 1/√(2gh) v = 2gh² v = 2gh v = √(2gh) v = 1/√(2gh) v = 2gh² v = 2gh v = √(2gh) 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) (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) None of these (a² + ab + b²)/3 (a + b) (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses No effect on its weight No weight Maximum weight Minimum weight No effect on its weight No weight Maximum weight Minimum weight 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 is zero but resultant couple may not be zero The resultant force and resultant couple are always 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 is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is in unstable equilibrium A uniform solid cone resting on its base on a horizontal plane A uniform solid cone resting on a generator on a smooth horizontal plane A satellite encircling the earth A solid cube resting on one edge A uniform solid cone resting on its base on a horizontal plane A uniform solid cone resting on a generator on a smooth horizontal plane A satellite encircling the earth A solid cube resting on one edge ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface ANSWER DOWNLOAD EXAMIANS APP
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