Electrostatic Forces

When you walk across a carpet in socks, they pick up charges. Later, there aren't any charges in your socks. what probably happened to the charges?

• The charges disappeared.

• The charges switched signs.

• The charges transferred to another object.

• The charges broke apart into smaller particles.

Tags

NGSS.MS-PS2-3

You have 2 circular objects, and each has a positive charge near each other, but not touching. Which statement describes the force that is exerted on the objects due to their electric charge?

• There is a force pushing both objects to the left.

• There is a force pulling the objects toward each other.

• There is a force pushing the objects away from each other.

• There is no force on the objects due to their electric charge.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A repelling force occurs between two charged objects when the charges of are of __________.

• like signs

• unlike signs

• equal magnitude

• unequal magnitude

Tags

NGSS.MS-PS2-3

An attracting force occurs between two charged objects when the charges are of _______________.

• like signs

• unlike signs

• equal magnitude

• unequal magnitude

Tags

NGSS.MS-PS2-3

Which force acts between two charged objects without them touching?

• Frictional force

• Gravitational force

• Magnetic force

• Electrostatic force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which force is responsible for the repulsion between two like-charged objects?

• Gravitational force

• Frictional force

• Magnetic force

• Electrostatic force

Tags

NGSS.MS-PS2-3

Which force is responsible for the attraction between opposite charges?

• Gravitational force

• Frictional force

• Magnetic force

• Electrostatic force

Tags

NGSS.MS-PS2-3

Two balloons are hanging from a stick.

Both balloons have a positive charge.

How would you expect the balloons to move?

• there would be no movement

• towards each other

• away from each other

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The picture shows a comb that was used on a cold, dry day. Which of the following is the best explanation of why some of the paper bits were attracted to the combs while others were not.

• Protons moved more easily in the paper that was attracted to the comb.

• Electric force gets weaker the farther away objects are from each other.

• Some paper had iron in it and some didn’t.

• Magnetic force gets weaker the farther away objects are from each other.

Tags

NGSS.MS-PS2-3

How will the two balloons interact?

• Attract

• Repel

• No interaction

Tags

NGSS.MS-PS2-5