Physics A Final Review Bennett

Front

If you rub a glass rod with a piece of silk, the rod becomes positively charged. What happens to the silk?

Back

The silk becomes negatively charged.

Front

If two charges repel each other, the two charges must be: Positive and neutral, Positive and negative, positive and neutral, negative and negative

Back

negative and negative

Front

Objects that have opposite charges

Back

are attracted to each other, and the force between the objects pulls them together.

Front

When you pull a polyester sweater off your skin, electrons are transferred from the _______________ to the _______________. As a result, your body acquires a ___________ charge and the sweater acquires a ___________ charge.

Back

skin, polyester, +, -

Front

These allow electrons to pass through them easily.

Back

Conductors

Front

These do NOT allow electrons to pass through them easily

Back

Insulators

Front

Example of a CONDUCTOR: A metal tube, A cotton shirt, A rubber tire, A wooden bucket

Back

A metal tube

Front

Which of the following is NOT an example of an INSULATOR? Options: A metal tube, A cotton shirt, A rubber tire, A wooden bucket

Back

A metal tube

Front

Why can you get a shock if you touch a metal doorknob after walking across a wool carpet?

Back

You have gained electrons from the carpet; the electrons are transferred to the doorknob.

Front

Is charge used up in a circuit?

Back

no