Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 16 20 8 4 16 20 8 4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Change Changes periodically None of these Does not change Change Changes periodically None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is 120 N None of the listed here 40 N 20 N 120 N None of the listed here 40 N 20 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Output to the input All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of moments of all the forces about any point should be zero All of these Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of moments of all the forces about any point should be zero All of these Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Static friction Rolling friction Limiting friction Dynamic friction Static friction Rolling friction Limiting friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP