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 unit of angular acceleration is N-m m/s rad/s2 m/s2 N-m m/s rad/s2 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following are vector quantities? Linear displacement Linear velocity All of these Linear acceleration Linear displacement Linear velocity All of these Linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cotθ/2 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 2P tanθ/2 2P cosθ/2 2P sinθ/2 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 8v 4v v 2v 8v 4v v ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.) 1/2π. √(kG² + h²/gh) 2π. √(kG² + h²/gh) 2π. √(gh/kG² + h²) 1/2π. √(gh/kG² + h²) 1/2π. √(kG² + h²/gh) 2π. √(kG² + h²/gh) 2π. √(gh/kG² + h²) 1/2π. √(gh/kG² + h²) ANSWER DOWNLOAD EXAMIANS APP
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