3.7.1 - Fields Flashcards
1
Q
What is a field?
A
A region where a body will experience a non-contact force.
2
Q
Are fields vectors or scalars?
A
Vectors.
3
Q
What do fields arise from interactions between?
A
Masses, static charge and moving charges.
4
Q
What are the similarities between gravitational and electrical fields?
A
Both have inverse square laws, and share characteristics such as use of field lines, use of potential concept and equipotentials.
5
Q
What are the differences between gravitational and electrical fields?
A
Masses always attract, but charges may attract or repel.
