Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mv2 0.5 mv2 mgv2 0.5 mgv2 mv2 0.5 mv2 mgv2 0.5 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₂ + u₁)/(v₂ + v₁) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D + d D - d D / d D × d D + d D - d D / d D × d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which do not meet at one point and their lines of action do not lie on the same plane are known as None of these Coplanar concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces None of these Coplanar concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix All of these Direction of the axis of rotation Sense of angular displacement Magnitude of angular displacement All of these Direction of the axis of rotation Sense of angular displacement Magnitude of angular displacement ANSWER DOWNLOAD EXAMIANS APP