As the long as the forces are not unbalanced - that is, as long as the forces are balanced - the first law of motion applies. This concept of a balanced versus and unbalanced force will be discussed in more detail later in Lesson 1.
The average weekly wage in Wales in April this year was Â£506.4 â equivalent to Â£26,332 a year. The average UK salary was Â£587.30, or Â£30,539 a year. Workers in Wales took home on average 1.7% more between 2008 and 2009 while salaries paid across the UK grew by 2%.
The pay gap in Wales saw women in full-time work getting a median wage of 80.5% of the menâs fulltime median wage. The biggest pay gap was in East Midlands where women made 76.1% of menâs wages, while it was smallest in Northern Ireland, at 90.4%.