Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to kG2/h h × kG h/kG h2/kG kG2/h h × kG h/kG h2/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to The sum of the forces multiplied by the sine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction The difference of the forces multiplied by the cosine of θ The sum of the forces multiplied by the sine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction The difference of the forces multiplied by the cosine of θ 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) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to determine the effects of a force, acting on a body, we must know All of these Line of action of the force Magnitude of the force Nature of the force i.e. whether the force is push or pull All of these Line of action of the force Magnitude of the force Nature of the force i.e. whether the force is push or pull ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is 0.5 Iω2 Iω2 0.5 Iω Iω 0.5 Iω2 Iω2 0.5 Iω Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/36 bh3/8 bh3/4 bh3/12 bh3/36 bh3/8 bh3/4 bh3/12 ANSWER DOWNLOAD EXAMIANS APP
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