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 At the instantaneous center, the velocity of the moving lamina at any instant is Zero Minimum Varying Maximum Zero Minimum Varying Maximum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Open polygon Triangle Closed polygon Parallelogram Open polygon Triangle Closed polygon Parallelogram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration As it strikes the ground At the top of the trajectory At the start Elsewhere As it strikes the ground At the top of the trajectory At the start Elsewhere ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be None of these 5 m/sec Zero 10 m/sec None of these 5 m/sec Zero 10 m/sec ANSWER DOWNLOAD EXAMIANS APP