Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Body has kinetic energy of translation Work is said to be done Power is being transmitted None of these Body has kinetic energy of translation Work is said to be done Power is being transmitted None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when moving More inclined when standing Less inclined when moving Less inclined when standing More inclined when moving More inclined when standing Less inclined when moving Less inclined when standing 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.) 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) 1/2π. √(kG² + h²/gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 10 5 20 40 10 5 20 40 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following are vector quantities? All of these Linear velocity Linear displacement Linear acceleration All of these Linear velocity Linear displacement Linear acceleration ANSWER DOWNLOAD EXAMIANS APP
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