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What does Coulomb's law apply to?
What does Coulomb's law apply to?
- Pairs of point charges (correct)
- Charges in motion
- Pairs of opposite charges
- Groups of more than five charges
What is the principle of superposition in Coulomb's law?
What is the principle of superposition in Coulomb's law?
- The net force on any charge is the sum of forces from other charges (correct)
- The force at a point is independent of the other charges
- The forces are always repulsive
- Charges can cancel each other's effects
What is the value of Coulomb's constant, k?
What is the value of Coulomb's constant, k?
- $3.00 \times 10^8$ m/s
- $6.67 \times 10^{-11}$ N(m/kg)$^2$
- $9.81$ m/s$^2$
- $8.99 \times 10^9$ N/m$^2$/C$^2$ (correct)
What is the net force on particle 2 due to the other 2 charges in the given scenario?
What is the net force on particle 2 due to the other 2 charges in the given scenario?
If three charged particles are arranged in a line, what will be the resultant force experienced by particle 3 due to particles 1 and 2?
If three charged particles are arranged in a line, what will be the resultant force experienced by particle 3 due to particles 1 and 2?
What will be the force on particle q3 (-86 µC) due to q1 (65 µC) and q2 (50 µC) at their respective coordinates?
What will be the force on particle q3 (-86 µC) due to q1 (65 µC) and q2 (50 µC) at their respective coordinates?
If the distance between two charged objects is doubled, how does the electrostatic force between them change?
If the distance between two charged objects is doubled, how does the electrostatic force between them change?
What is the unit of the Coulomb constant (k) in Coulomb's law?
What is the unit of the Coulomb constant (k) in Coulomb's law?
According to Newton's third law, what can be said about the electric forces between two charged objects?
According to Newton's third law, what can be said about the electric forces between two charged objects?
If the charge of one object is doubled, while the charge of the other object remains the same, how does the electrostatic force between them change?
If the charge of one object is doubled, while the charge of the other object remains the same, how does the electrostatic force between them change?
If both the charges of two objects are doubled, how does the electrostatic force between them change?
If both the charges of two objects are doubled, how does the electrostatic force between them change?
What is the direction of the electrostatic force between two charged objects?
What is the direction of the electrostatic force between two charged objects?
If the distance between two charges is doubled, how does the electrostatic force between them change?
If the distance between two charges is doubled, how does the electrostatic force between them change?
If two charges have the same sign, the force between them is:
If two charges have the same sign, the force between them is:
What is the unit of the Coulomb constant (k) in the expression for electrostatic force?
What is the unit of the Coulomb constant (k) in the expression for electrostatic force?
If the charges on two objects are doubled, how does the electrostatic force between them change?
If the charges on two objects are doubled, how does the electrostatic force between them change?
If two charges exert a force on each other, which of the following statements is true according to Newton's third law?
If two charges exert a force on each other, which of the following statements is true according to Newton's third law?
What happens to the electrostatic force between two charges if the medium between them changes from air to water?
What happens to the electrostatic force between two charges if the medium between them changes from air to water?
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