MC Multi-part Problem (5 points) For multiple choice problems 11-15, refer to the energy diagram, to the right, which shows the potential energy as a function of position for a certain system.
U = U(x)
Use the following Multiple Choice options to answer all of the following questions (#11-15) on the Zipgrade online form (you do not need to scan and submit your work):
A) point A
B) point B
C) point C
D) point D
E) point E
11) In the diagram, which point is a location of stable equilibrium for this system?
12) In the diagram, which point is a location of unstable equilibrium for this system?
13) In the diagram, at which point is the magnitude of the force the largest for this system?
14) In the diagram, if a particle is released from rest at point A, where will it be moving the fastest?
15) In the diagram, at which point is the force on the system negative?