E. Force Notes Check for Understanding

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

• +,+
• +,-
• -,+
• -,-

Tags

NGSS.HS-PS2-4

The diagram shows two charged objects, X and Y.

Based on the field lines, what are the charges of the objects?

• X: positive

  Y: negative

• X: negative

  Y: positive

• X: negative

  Y: negative

• X: positive

  Y: positive

Tags

NGSS.HS-PS2-4

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

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

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If the distance between two electric charges is reduced by half, what happens to the electrical force?

• Quadruples

• Doubles

• Triples

• Reduces by half

Tags

NGSS.HS-PS2-4

In Coulomb's Law, which variable does "Newtons" represent?

• Electrical Charge

• Force

• Distance

• Mass

Tags

NGSS.HS-PS2-4

In Coulomb's Law, which variable does "Coulombs" represent?

• Electrical Charge

• Force

• Distance

• Mass

Tags

NGSS.HS-PS2-4

The Electric Force is weakest when charges are:

• Close together

• Far apart

• Electric Force is constant no matter the location

Tags

NGSS.HS-PS2-4

In order to create an electric charge, which type of subatomic particle must be added or removed from an object?

• proton

• electron

• neutron

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Based on the Electrical Field Lines, which charge is this?

• positive

• negative

Tags

NGSS.HS-PS2-4

True or False?

The magnitude of the charge on a single proton/electron is equal to 8.99x10⁹C.

• True

• False

Tags

NGSS.HS-PS2-4