7.2- electric force

Question 1

WHAT IS A FORCE?

Answer 1

a push or pull on an object

Question 2

WHAT ARE CONTACT FORCES?

Answer 2

forces that have effect on objects that are touched

Question 3

WHAT ARE ACTION AT A DISTANCE FORCES

Answer 3

forces that have effect on an object without touching it

Question 4

WHAT IS AN ELECTRIC FORCE

Answer 4

a push or pull between charged objects

Question 5

WHAT ARE THE LAWS OF STATIC CHARGE?

Answer 5

• opposites attract
• likes repel
• neutral objects are attracted to charged ones

Question 6

WHAT HAPPENS TO THE ELECTRIC FORCE WHEN YOU INCREASE THE AMOUNT OF CHARGE?

Answer 6

you increase the electric force

Question 7

WHAT HAPPENS TO THE ELECTRIC FORCE WHEN YOU INCREASE THE DISTANCE?

Answer 7

you decrease the electric force

Question 8

WHAT IS CHARGING BY CONDUCTION?

Answer 8

charging a neutral object by touching it with a charged one

Question 9

WHAT IS CHARGING BY INDUCTION

Answer 9

when no electrons are transferred, but instead, it repositions them

Question 10

WHY DOES A BALLOON STICK TO THE WALL AFTER YOU RUB IT ON YOUR HAIR`

Answer 10

balloon become negatively charged after a rub on your hair, and since it is an insulator, the electrons remain in a location on the balloon. if you place the balloon onto the wall, electrons will move and the positives on the wall will attract to the balloon