Question

Answer each of the following questions for the strong nuclear force, weak nuclear force, electromagnetic force and the gravitational force.

a) Characteristics:
a. What is responsible for the force?
b. What does the force affect?
c. What is the strength of the force?
d. What is the range of each force?

b) Historical development:
a. Who led to its discovery?
b. What, specifically, did they discover?

c) Evidence: How do we know this force exists? What do we observe around us that tells us this force exists?