Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Rotates Moves with variable velocity in a straight line Does not move at all Moves along a curved path Rotates Moves with variable velocity in a straight line Does not move at all Moves along a curved path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on None of these Area of contact only Nature of surfaces only Both (A) and (B) None of these Area of contact only Nature of surfaces only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.7 0.75 0.65 0.6 0.7 0.75 0.65 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite moves in its orbit around the earth due to Gravitational force Centrifugal force Centripetal force None of these Gravitational force Centrifugal force Centripetal force None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf 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 simple harmonic motion None of these A damped oscillatory motion A rectilinear motion with constant speed A simple harmonic motion None of these A damped oscillatory motion A rectilinear motion with constant speed ANSWER DOWNLOAD EXAMIANS APP
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