Search over 10,000 free study notes

In order to achieve full marks in essay questions it is very important to structure your answers in an organised manner. I would recommend one introductory paragraph, one or more development paragraphs an...

For this question, we will use moments. A moment is defined as:Moment = force x perpendicular distance from pivotHere, the moment of the 30kg mass which acts anti-clockwise through the pi...

A referendum is a vote in which the electorate can express a view on a specific issue, rather than merely relying on the decision of the MP representing them, hence making it a form of direct democracy. T...

Linking back to the question is one of the most important parts of an essay - At A Level, it's what will push you up into the higher grade brackets. The easiest way to do this, is to literally copy out pa...

The key observation here is that the Earth is spinning (angular velocity w) and so are you. The scale will give one number or another depending on the force that you exert on it, and by Newton's 3rd Law t...