Engineering Mechanics If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that tanθ = √(ΣV + ΣH) tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = ΣV/ΣH tanθ = √(ΣV + ΣH) tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = ΣV/ΣH 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) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are None of these 15 N and 5 N 15 N and 15 N 20 N and 5 N None of these 15 N and 5 N 15 N and 15 N 20 N and 5 N ANSWER DOWNLOAD EXAMIANS APP
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