Knowledge Check: Coulomb's Law Practice (Level 1)

Why are there two q's in the equation?

• because there are two charged objects

• because there are protons and electrons

• because the particles are moving away from each other

• because the particles are moving towards each other

Tags

NGSS.HS-PS2-4

As the value of r increases, what happens to the value of F?

• F increases

• F decreases

• F never changes, q does

• Cannot know from the information

Tags

NGSS.HS-PS2-4

Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?

• 9E-9 N
• 9E9 N
• 1.1E10 N
• 1.1E-10 N

Tags

NGSS.HS-PS2-4

A charge of 4 C and -7 C are 200 m apart. What is the force between them?

• 6.3 x 10⁶

• -6.3 x 10⁶

• 2.52 x 10¹¹

• -2.52 x 10¹¹

Tags

NGSS.HS-PS2-4

Calculate the force exerted between two charged objects separated by a distance of 0.6 m. One object has a charge of -5 C and the other has a charge of +2.0 C.

• -1.5E-11 N
• 2.5E-11 N
• -2.5E11 N
• -7.5E-10 N

Tags

NGSS.HS-PS2-4