Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be 5 3 4 2 5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is None of these A scalar quantity A constant quantity A vector quantity None of these A scalar quantity A constant quantity A vector quantity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is Q/P P/Q P - Q P + Q Q/P P/Q P - Q P + Q ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 20° 48' 17° 48' 18° 48' 19° 48' 20° 48' 17° 48' 18° 48' 19° 48' ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (iii) All (i), (ii) and (iii) (i) and (ii) Only (i) (i) and (iii) All (i), (ii) and (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 2 m/sec and 2 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec 2 m/sec and 2 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec ANSWER DOWNLOAD EXAMIANS APP