Mechanical Engineering - Engineering Mechanics
Exercise : Engineering Mechanics - Section 2
11.
The centre of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.
12.
The process of finding out the resultant force is called __________ of forces.
13.
A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
14.
In a framed structure, as shown in the below figure, the force in the member BC is
15.
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
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