The momentum of an object never changes.
Indicate whether the statement is true or false
Question 2
In superstring theory the fundamental objects from which all forces and matter are built are:
a. Planck lengths.
b. gravitons.
c. gluons whose size of about 10-25 m is the smallest distances in nature.
d. loops of material that cannot be further subdivided, whose size of about 10-35 m is the smallest distance in nature.
e. quarks whose size of about 10-25 m is the smallest distance in nature.