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A system is in equilibrium when there is no resultant force and no resultant torque (or moment). A moment is the turning effect of applying a force on a body. It is the product of the force and the perpen...
There are a number of steps before sketching a graph. We will look over bits of theory and then do some examples (I'll show the examples in the online lesson space) First we have to find the x-intercept a...
I would advise any student to prepare for an oral exam in 3 main ways.
Firstly, the student should get to grips with the factual content of their area of study. This will allow the to gain a genera...
The hormone Human Chorionic Gonadotrophin (HCG) starts to be secreted six days after conception from a developing embryo. A pregnancy test stick has three bands. In the first are monoclonal antibodies whi...
In spite of of the Tsar’s reformist intentions, the emancipation of the serfs starting in 1861 produced largely negative effects. Intended to improve the social conditions of peasants and to spur an impro...
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