Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with only body forces acting on it Isolated joint with internal forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with only body forces acting on it Isolated joint with internal forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite goes on moving along its orbit round the earth due to Centrifugal force Gravitational force Centripetal force None of these Centrifugal force Gravitational force Centripetal force None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be √2 T 1/2 T 2 T 3 T √2 T 1/2 T 2 T 3 T 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 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 A simple harmonic motion 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 Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 0 and 5 m/sec 5 m/sec and 0 5 and 5√3 m/sec 5√3 m/sec and 0 0 and 5 m/sec 5 m/sec and 0 5 and 5√3 m/sec 5√3 m/sec and 0 ANSWER DOWNLOAD EXAMIANS APP
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