Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = 2gh² v = 2gh v = √(2gh) v = 1/√(2gh) v = 2gh² v = 2gh v = √(2gh) v = 1/√(2gh) 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 tan θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ P sin θ/P - Q cos 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 8 6 7i 8TC 4 8 6 7i 8TC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is more when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards Is more when the lift is moving downwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is less when the lift is moving upwards 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 None of these 5 kg 7 kg 1 kg None of these 5 kg 7 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion Friction force acting when the body is just about to move Ratio of limiting friction and normal reaction Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion Friction force acting when the body is just about to move Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP