Mechanical Engineering - Engineering Mechanics
Exercise : Engineering Mechanics - Section 6
6.
Joule is the unit of
7.
The force induced in the string AB due to the load W, as shown in the below figure is
8.
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
9.
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as
10.
The efficiency of a lifting machine is the ratio of
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