Electrostatics and Coloumb's Law

The electrostatic force between two charges located 2 meters apart is 0.10 N.  What will the force be between these charges when they are located 1 meter apart?

• 0.40 N
• 0.20 N
• 0.10 N
• 0.05 N

Tags

NGSS.HS-PS2-4

How is the electric force between two charges affected when both of the charges are doubled?

• four times as much
• two times as much
• half as much
• one quarter as much

Tags

NGSS.HS-PS2-4

2 charges are 20 cm apart and feel a force of 500 N. if the distance between them becomes 60 cm, what is the new force

• 4500

• 540

• 1500

• 55.6

Tags

NGSS.HS-PS2-4

The force between two point charges is F when they are separated by a distance r. If the separation is increased to 3r what is the force between the charges?

• F/3r

• F/9r

• F/3

• F/9

Tags

NGSS.HS-PS2-4

A repulsive force exists between which two particles?

• Two neutrons

• An electron and a neutron

• An electron and a proton

• Two protons

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Approximately how much force would be generated by two charged objects held 2 m apart, if q₁ has a charge of 3.0 C and q₂ has a charge of 4.0 C?

• 0.5 N

• 1.5 N

• 3 N

• 6 N

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Coulomb's law says that the force between any two charges depends

• directly on the size of the charges

• inversely on the square of the distance between the charges

• both are correct

Tags

NGSS.HS-PS2-4

Which of the following statements is NOT correct about the magnitude of the electric force between two charged objects?

• It increases if one of the charges increases.

• It increases if the distance between the charges increases.

• It increases if both of the charges increase.

• It increases if the distance between the charges decreases.

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If two charges have an electric force F between them and one of the charges is doubled, the force will be:

• Halved

• The same.

• Doubled

• Quadrupled.

Tags

NGSS.HS-PS2-4

If two charges have an electric force F between them and the distance between them is halved, the force will be:

• Halved

• The same.

• Doubled

• Quadrupled

Tags

NGSS.HS-PS2-4