Mechanical Engineering - MADE EASY Study Material for GATE, ESE and SES Exams

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Velocity Potential Function

Function of Velocity Potential It is defined as a scalar function of space and time such that its negative derivative along

The analysis of a truss involves determining the reaction at the supports and the stresses induced in the members due

The members of truss which support no loading are known as zero force members. These zero force members are used

Law of Restitution Consider two bodies of mass m1 and m2 respectively. Let these bodies be moving with respective velocities

The law of conservation of Energy states that the energy can neither be created nor destroyed, though it can be

Energy of a body is the capacity of to do the work. We always say, a healthy man has high

D’Alembert’s Principle In 1743, D’Alembert proved that the Newton’s second law is applicable not only to motion of particle but

Let us analyse the effect of gyroscopic couple acting on the body of aeroplane for various conditions. Let the propeller

A radial cam with reciprocating roller follower is shown in Fig. (above). The following nomenclature is used in reference to

It is a device to connect two shafts whose axes are neither coaxial nor parallel but intersect at a point.

A mechanism built in such a manner that a particular point in it is constrained to trace a straight line

A pantograph is a four-bar linkage used to produce paths exactly similar to the ones traced out by a point

For a slider-crank mechanism, a simpler method to construct constant velocity and acceleration polygon on the configuration diagram itself has

When one of the turning pairs of a four-bar chain is replaced by a sliding pair, it becomes a single

In Fig. if AB is the input link, the force applied to the output, CD, is transmitted through the coupler

There are some examples of paradoxes which disobey the Gruebler’s criterion due to their unique geometry. The designer needs to

Free Vibrations: Elastic vibrations in which there are no friction and external forces after the initial release of the body. Forced

Centrifugal governors: Its action depends on the change of speed and centrifugal effect produced by the masses, known as governor

When a series of gears are connected in such a way that two or more gears rotate about an axis