Science Project

Attract or Repel

100

Do these charges attract or repel: 7.3 and -4.2

Attract

200

Do these charges attract or repel: 3.4x10² and 9.7x10^-4

Repel

300

If both charges are positive with one charge having a negative exponent and the other positive, will the charges attract or repel?

Repel

400

Do these charges attract or repel: 4.3297x10^-62 and -7.489x10^-38

Attract

Calculate Electric Force

100

What is the electrical force if the charges are both 1 and the distance is 10?

9x10⁷

200

What is the electrical force if the charges are 7.3 and -11.6 and the distance is 14.8?

-3.48x10⁹

300

What is the q₂ if one of the charges is -.0005, the force is -9N and the distance is 10m?

0.0002C

400

What is the distance if the charges are both -5x10^-5 and the force is 15N?

1.22m

Relationships

100

Will the force increase or decrease if the distance decreases?

Decrease

200

What happens to the force if q₁ doubles?

The force doubles

300

What happens to the force if d quadruples?

1/16 of the force

400

What happens to the force if each charge quadruples?

Multiply the force by 16