Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n² n 2n - 1 2n n² n 2n - 1 2n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. None of these Directly Square root Inversely None of these Directly Square root Inversely ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be L/2 2L/3 L/3 3L/4 L/2 2L/3 L/3 3L/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P × m.a = 0 P/m.a = 0 P - m.a = 0 P + m.a = 0 P × m.a = 0 P/m.a = 0 P - m.a = 0 P + m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Kinetic energy of translation and rotation both Kinetic energy of translation only Potential energy only Kinetic energy of rotation only Kinetic energy of translation and rotation both Kinetic energy of translation only Potential energy only Kinetic energy of rotation only ANSWER DOWNLOAD EXAMIANS APP