25. Forces between Static Electric Particles

Question 1

What is Newton’s Gravitation Law?

Answer 1

Newton’s Gravitation Law set-forth that there is a force of gravitational attraction between all bodies. This force is dependent on the objects’ mass and the distance between them.

Question 2

How can you express Newton’s Gravitational Law in mathematical equations?

Answer 2

F_grav=gm₁m₂/r²

in terms that G=6.67x10^-11 m³/kg s²

Question 3

What is the Coulomb’s Law?

Answer 3

Coulomb’s Law set forth that there is a force between charged objects that is dependent on the charge of the object and the distance between them.

Question 4

How can you express Coulomb’s Law in mathematical expression?

Answer 4

Similar to the mathematical expression of Newton’s Gravitation Law, F_elec=kq₁q₂/r² knowing that k = 9*10⁹ Nm²/C²

^{and in a sense that} µ = 10^-6

Question 5

In terms of F_elec, what does like charges and opposite charges do?

Answer 5

Like charges have n terms F_elec that repel, while opposite charges have F_elec that attracts.