Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Point of rotation Instantaneous centre Virtual centre Instantaneous axis Point of rotation Instantaneous centre Virtual centre Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be ½ sin α ½ tan α ½ cos α 2 cos α ½ sin α ½ tan α ½ cos α 2 cos α 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 The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is cos θ cosec θ tan θ sin θ cos θ cosec θ tan θ sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.4 R 0.3 R 0.2 R 0.6 R 0.4 R 0.3 R 0.2 R 0.6 R ANSWER DOWNLOAD EXAMIANS APP
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