Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 3r/2 r/2 r/A 2r/3 3r/2 r/2 r/A 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Different at different points on its line of action Maximum, if it acts at the center of gravity of the body Same at every point on its line of action Minimum, if it acts at the center of gravity of the body Different at different points on its line of action Maximum, if it acts at the center of gravity of the body Same at every point on its line of action Minimum, if it acts at the center of gravity of the body ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) None of these (1/2π). √(g/l) (1/2π). √(l/g) 2π. √(l/g) None of these (1/2π). √(g/l) (1/2π). √(l/g) 2π. √(l/g) 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 The total energy possessed by a system of moving bodies Is maximum in the start and minimum at the end Is minimum in the start and maximum at the end Is constant at every instant Varies from point to point Is maximum in the start and minimum at the end Is minimum in the start and maximum at the end Is constant at every instant Varies from point to point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
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