Coulomb's Law

If each of the charges doubles, what happens to the force?

• Quadruples
• Doubles
• Stays the same
• Reduced by half

Tags

NGSS.HS-PS2-4

If the distance doubles, what happens to the force?

• Reduced by half
• Reduced by 1/4
• Stays the same
• Quadruples

Tags

NGSS.HS-PS2-4

If the distance is reduced by half, what happens to the force?

• Quadruples
• Doubles
• Triples
• Reduces by half

Tags

NGSS.HS-PS2-4

Electrostatic force F is directly proportional to:

• r^2 (distance squared)
• q1
• q2
• both q1 and q2

Tags

NGSS.HS-PS2-4

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly

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

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

Two objects each with a charge of 1.6 x 10^-19 C are separated a distance of 4 x 10^-10 m. Find the force between them?

• 1.4 x 10^-9 N

• 3.2 x 10^-11 N

• 1.5 x 10^-13 N

• 2.5 x 10^-10 N

Tags

NGSS.HS-PS2-4

An object with a charge of 3.2 x 10^-19 C is 6.2 x 10^-3 m away from another charge object. If the force between them is 8.9 x 10^-7 N, what is the charge of the second object?

• 2500 000 C

• 0.0119 C

• 12.05 C

• 0.00000002 C

Tags

NGSS.HS-PS2-4

Two objects that are 8.9 x 10-3 m apart have a force of 7 x 10^-4 N between them. If one object has a charge of 1.6 x 10^-19 C, what is the charge of the other object?

• 22.3 C

• 0.200 C

• 38.5 C

• 0.000000004 C

Tags

NGSS.HS-PS2-4