Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may All of these Be completely at rest Move in any one direction rotating about itself Rotate about itself without moving All of these Be completely at rest Move in any one direction rotating about itself Rotate about itself without moving ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A smooth cylinder lying on its convex surface remains in __________ equilibrium. Neutral None of these Unstable Stable Neutral None of these Unstable Stable ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 45° 90° 60° 30° 45° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/2 v/4 v v/8 v/2 v/4 v v/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P - Q P / Q P + Q Q / P P - Q P / Q P + Q Q / P ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.) t = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = 2u sin (α + β)/g cos β ANSWER DOWNLOAD EXAMIANS APP
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