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 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 and resultant couple both may not be zero The resultant force is zero but resultant couple 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 and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite moves in its orbit around the earth due to None of these Centrifugal force Centripetal force Gravitational force None of these Centrifugal force Centripetal force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 4 rad/sec² 1 rad/sec² 6 rad/sec² 12 rad/sec² 4 rad/sec² 1 rad/sec² 6 rad/sec² 12 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 3/5 1/5 1/3 2/3 3/5 1/5 1/3 2/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference ANSWER DOWNLOAD EXAMIANS APP
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 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
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