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 average cost of bringing up a child in Wales has increased by nearly 50% over the last decade to Â£207,120, new figures show. The annual Cost of a Child report says from birth to age 21 parents are spending Â£66,647 more than they did in 2003.