The My Scene line of toys appeared to be a little too similar to the Bratz dolls and the battle between Mattel and MGA Entertainment went beyond sales competition.
Mattel may have introduced the dolls in response to the popularity of Bratz Dolls, released by MGA Entertainment in 2001.
The parent company of Bratz MGA Entertainment has a selection of Bratz board games outlined on its website.
Bratz dolls were launched in 2001 by MGA Entertainment.
The motion being assumed to be small, the tensions of the two strings may be taken to have their statical values Mgb/(a+b), Mga/(a+b), where a, b are the distances of G from the two threads.
A sin U Mga cos 0, where a is the radius of the disk.