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 3 5 2 4 3 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time period and length of a second’s pendulum respectively are 1 sec and 99.4 cm 2 sec and 92.7 cm 1 sec and 92.7 cm 2 sec and 99.4 cm 1 sec and 99.4 cm 2 sec and 92.7 cm 1 sec and 92.7 cm 2 sec and 99.4 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 40 g 80 g 100 g 60 g 40 g 80 g 100 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a body moving with simple harmonic motion, the number of cycles per second, is known as its Periodic time Oscillation Frequency Amplitude Periodic time Oscillation Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
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 Virtual centre Instantaneous axis Instantaneous centre Point of rotation Virtual centre Instantaneous axis Instantaneous centre 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 0.2 R 0.3 R 0.4 R 0.6 R 0.2 R 0.3 R 0.4 R 0.6 R ANSWER DOWNLOAD EXAMIANS APP
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