Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Half the area of the triangle Area of the triangle None of these Twice the area of the triangle Half the area of the triangle Area of the triangle None of these Twice the area of the triangle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Inversely None of these Directly Square root Inversely None of these Directly Square root ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2. Equal to Greater than None of these Less than Equal to Greater than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS