Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of 2000 m 2300 m 2100 m 2200 m 2000 m 2300 m 2100 m 2200 m 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 cos α ½ sin α 2 cos α ½ tan α ½ cos α ½ sin α 2 cos α ½ tan α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called Angle of repose Angle of friction None of these Angle of inclination Angle of repose Angle of friction None of these Angle of inclination ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be 60° 30° 45° 75° 60° 30° 45° 75° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
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