A force of 14.5 N pushes and pulls to blocks
as shown in the figure below. The vertical
contact surfaces between the two blocks are
frictionless. The contact between the blocks
and the horizontal surface has a coefficient of
friction of 0.12.
The acceleration of gravity is 9.8 m/s
2
.
What is the magnitude a of the acceleration
of the blocks?
Answer in units of m/s
2
.