Edexcel Physics Syllabus point

[jsmith613]

Homework Statement

explain why high energies are required to break particles into their constituents and to see fine structure

this is a point on the syllabus and I can't find an answer in the book

Homework Equations

The Attempt at a Solution

 

[jsmith613]

is it that the "strong force" holds constituent particles together
thus very high forces are needed to separate them?

 

[jsmith613]

this is the only point on the syllabus I don't quite get
could someone please run me through the main principles

thanks