Electric Force and Coulomb's Law Quiz

What is the primary law used to solve for the electric force between charges?

• Faraday's Law

• Newton's Law

• Coulomb's Law

• Ohm's Law

What mathematical theorem is used to find the distance between charges in a triangular arrangement?

• Remainder Theorem

• Pythagorean Theorem

• Fundamental Theorem of Calculus

• Binomial Theorem

Which trigonometric function is used to find the angle between the hypotenuse and the horizontal axis?

• Sine

• Inverse Tangent

• Cosine

• Tangent

What is the value of Coulomb's constant (k) used in the calculations?

• 9 x 10^9 N m²/C²

• 8.99 x 10^9 N m²/C²

• 1 x 10^9 N m²/C²

• 9.8 x 10^9 N m²/C²

How is the force between two charges calculated using Coulomb's Law?

• F = k * q1 * q2 * r

• F = k * q1 / q2 * r²

• F = k * q1 * q2 / r²

• F = k * q1 * q2 / r

What is the first step in vector addition to find the net force?

• Add the magnitudes directly

• Break vectors into components

• Use the inverse tangent function

• Calculate the resultant force

What is the horizontal component of a force calculated using?

• Tangent of the angle

• Cosine of the angle

• Inverse Sine of the angle

• Sine of the angle

What is the total horizontal force component in the x-axis?

• 3.84 N

• 4.30 N

• 2.15 N

• 5.76 N

How is the magnitude of the resultant force calculated?

• Using the Pythagorean theorem

• Using the inverse tangent function

• By multiplying the forces

• By adding all forces directly

What is the direction of the resultant force relative to the horizontal axis?

• 26.6 degrees below

• 45 degrees above

• 0 degrees

• 9.46 degrees above