(Sweigart) NGSS Physics IS2T3: Coulomb's Law

Front

What is Coulomb's Law?

Back

Coulomb's Law describes the electrostatic force between two charged objects, stating that the force is directly proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance between them.

Front

What happens to the electrostatic force if the charges are doubled?

Back

The electrostatic force quadruples.

Front

How do electrons differ from protons?

Back

Electrons hold a negative charge and protons hold a positive charge.

Front

What is the relationship between distance and electrostatic force?

Back

When distance increases, electrostatic force decreases; this relationship is inversely proportional.

Front

What does it mean for electrostatic force to be directly proportional to charges?

Back

It means that if either charge increases, the force between them increases.

Front

If two charges are 8 m apart and have magnitudes of 5 C and 8 C, what is the force between them?

Back

5.625 x 10^9 N.

Front

What is the formula for calculating electrostatic force?

Back

F = k * (|q1 * q2|) / r^2, where F is the force, k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them.

Front

What is Coulomb's constant (k)?

Back

Coulomb's constant is approximately 8.99 x 10^9 N m²/C².

Front

What does 'inversely proportional' mean in the context of electrostatic force?

Back

It means that as one quantity increases, the other quantity decreases.

Front

What is the effect of distance on electrostatic force?

Back

As the distance between two charges increases, the electrostatic force between them decreases.