Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Power is being transmitted Body has kinetic energy of translation None of these Work is said to be done Power is being transmitted Body has kinetic energy of translation None of these Work is said to be done ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = r / α a = α/ r a = α.r None of these a = r / α a = α/ r a = α.r None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 2v v 4v 8v 2v v 4v 8v 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 Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon Area of contact only Nature of surface only Both (A) and (B) None of these Area of contact only Nature of surface only Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP