1. Fundamental forces
See education video and do exercises.
1) Four fundamental forces are:




2) Finish equation (don’t forget dimensions):
= ; = .
3) Write fundamental constants:
=
=
=
=
4) Complete sentences:
 If the distance between two objects doubles the
electrical force becomes ___________________.
 If the distance goes to three times as much the
electrical force ___________________.
5) Calculate and compare and for hydrogenium atom using previous
and next constants:
= 1.672 621 637 × 10 ;
= 9,10938215 × 10 ;
= 53 × 10 .
Answer:
= 3.62 × 10 ;
= 8.21 × 10 .
= 2.27 × 10 !