Electrostatics

A pith ball has an electric charge +2q, and it feels a force F when placed a distance d from a second pith ball with an electric charge -q. When the second pith ball is charged to -3q, the force on the pith ball is ---.

• 6F

• 2F

• 3F

• F

Tags

NGSS.HS-PS2-4

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is charged to +2q, the force on the pith ball is ---.

• 6F

• 2F

• 3F

• F

Tags

NGSS.HS-PS2-4

A pith ball has an electric charge +3q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +2q. When the second pith ball is charged to +4q, the force on the pith ball is ---.

• 6F

• 2F

• 3F

• F

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the first pith ball is charged to +1/2 q, the force on the pith ball is ---.

• 2F

• F

• 4 F

• 1/2 F

Tags

NGSS.HS-PS2-4

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is moved to a distance 2d, the force on the pith ball is ---.

• 2F

• 1/2 F

• F

• 1/4 F

Tags

NGSS.HS-PS2-4

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is moved to a distance 3d, the force on the pith ball is ---.

• 3F

• 1/3 F

• 1/9 F

• 1/4 F

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is moved to a distance 1/2 d, the force on the pith ball is ---.

• 4F

• 2F

• 1/2 F

• 1/4 F

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is moved to a distance 4d, the force on the pith ball is ---.

• 4F

• 16F

• 1/4 F

• 1/16 F

Tags

NGSS.HS-PS2-4

A pith ball has an electric charge +3q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball gains charge to have a charge +2q, and is moved to a distance 3d, the force on the pith ball is ---.

• 2/9 F

• 2/3 F

• 3/2 F

• 6F

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A pith ball has an electric charge +q, and it feels a force F when placed a distance 2d from a second pith ball with an electric charge +q. When the second pith ball gains charge to have a charge +3q, and is moved to a distance 4d, the force on the pith ball is ---.

• 2/9 F

• 3/4 F

• 3/2 F

• 6F

Tags

NGSS.HS-PS2-4