Engineering Mechanics The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by ω.r ω/r ω²/r ω².r ω.r ω/r ω²/r ω².r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Four times Nine times Six times Two times Four times Nine times Six times Two times 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 forces, whose lines of action are parallel to each other and act in the same directions, are known as Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called Principle of conservation of energy Newton's second law of motion Newton's first law of motion Principle of conservation of momentum Principle of conservation of energy Newton's second law of motion Newton's first law of motion Principle of conservation of momentum ANSWER DOWNLOAD EXAMIANS APP