Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(2gh) 2.√(gh) √(gh) 2g.√h √(2gh) 2.√(gh) √(gh) 2g.√h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Change Does not change Changes periodically None of these Change Does not change Changes periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Downwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Upwards at its upper end Downwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P cotθ/2 2P sinθ/2 2P tanθ/2 2P cosθ/2 2P cotθ/2 2P sinθ/2 2P tanθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Direction of the axis of rotation All of these Sense of angular displacement Magnitude of angular displacement Direction of the axis of rotation All of these Sense of angular displacement Magnitude of angular displacement ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mgv2 mv2 0.5 mv2 mgv2 0.5 mgv2 mv2 0.5 mv2 mgv2 ANSWER DOWNLOAD EXAMIANS APP
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