Coulomb's Law

Front

What does Coulomb's law state about the force between two charged objects when the magnitude of the charge increases?

Back

The force between two charged objects will increase.

Front

What happens to the electrostatic force if the distance between two charged objects is doubled and the magnitude of one charge is also doubled?

Back

The force becomes 1/2X.

Front

If both charges in a system double, what happens to the electrostatic force between them?

Back

The force quadruples.

Front

Electrostatic force F is directly proportional to which of the following?

Back

F is directly proportional to both q1 and q2.

Front

Calculate the force between a charge of 4 C and -7 C that are 200 m apart.

Back

The force is -6.3 x 10^6 N.

Front

What is the formula for Coulomb's law?

Back

F = k * (|q1 * q2|) / r^2, where k is Coulomb's constant.

Front

What does the variable 'r' represent in Coulomb's law?

Back

'r' represents the distance between the centers of the two charges.

Front

What is the effect of increasing the distance 'r' on the electrostatic force?

Back

Increasing the distance decreases the electrostatic force.

Front

What is Coulomb's constant (k) and its approximate value?

Back

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

Front

How does the sign of the charges affect the force between them?

Back

Like charges repel each other, while opposite charges attract each other.