Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is 55 50 65 60 55 50 65 60 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface Uneven distribution of the gravitational field None of these Aerodynamic forces Gravity of the sun and the moon Uneven distribution of the gravitational field None of these Aerodynamic forces Gravity of the sun and the moon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of 8.04 km/sec at a height of 285 km All listed here 11.26 km/sec, the satellite escapes the pull of the earth 11.11 km/sec at a height of 37,400 km 8.04 km/sec at a height of 285 km All listed here 11.26 km/sec, the satellite escapes the pull of the earth 11.11 km/sec at a height of 37,400 km ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force 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 Acts towards the centre of rotation Acts away from the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration At the start At the top of the trajectory As it strikes the ground Elsewhere At the start At the top of the trajectory As it strikes the ground Elsewhere ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Equilateral triangle Circle Rectangle Right angled triangle Equilateral triangle Circle Rectangle Right angled triangle ANSWER DOWNLOAD EXAMIANS APP