P. 4810. A body of mass 1 kg is suspended by means of a spring and a thread between two walls as shown in the figure. The measure of both angles between the thread and the horizontal and the spring and the horizontal is \(\displaystyle 30^\circ\).
\(\displaystyle a)\) Determine the force exerted by the spring.
\(\displaystyle b)\) What is the initial acceleration of the object if the thread breaks, and into which direction does the object begin to move?
Deadline expired on 10 March 2016.