Engineering Mechanics The coefficient of friction depends upon All of these Area of contact Nature of surfaces Shape of the surfaces All of these Area of contact Nature of surfaces Shape of the surfaces 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 (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₂ - v₁)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P tanθ/2 2P sinθ/2 2P cosθ/2 2P cotθ/2 2P tanθ/2 2P sinθ/2 2P cosθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion is __________ at the mean position. Zero Maximum None of these Minimum Zero Maximum None of these Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by T.ω (in watts) T.ω/4500 (in kilowatts) T.ω/60 (in watts) T.ω/75 (in kilowatts) T.ω (in watts) T.ω/4500 (in kilowatts) T.ω/60 (in watts) T.ω/75 (in kilowatts) ANSWER DOWNLOAD EXAMIANS APP