Engineering Mechanics The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω².r ω²/r ω/r ω.r ω².r ω²/r ω/r ω.r 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 A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible None of these Reversible Ideal Non-reversible None of these Reversible Ideal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D - d) 2D/(D - d) 2D/(D + d) D/(D + d) D/(D - d) 2D/(D - d) 2D/(D + d) D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of the horizontal components of all the forces should be zero All of these Algebraic sum of moments of all the forces about any point should be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as Newton's second law of motion Newton's third law of motion Newton's first law of motion None of these Newton's second law of motion Newton's third law of motion Newton's first law of motion None of these ANSWER DOWNLOAD EXAMIANS APP
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