Unit 8 coulomb's law day 1

Word Cloud

What do you think of when you hear the words "static electricity"

(type a 1-2 word response below)

Multiple Choice

Which two particles are attracted to each other?

• neutron and neutron

• proton and proton

• proton and electron

• electron and electron

Multiple Choice

based on the charges, what type of force would the balloon and sweater experience?

• attraction

• repulsion

Multiple Choice

When you walk across a carpet, charge moves from one place to another. This is an example of charge being moved by

• Triboelectric effect

• induction

• conduction

Multiple Choice

When you walk across a nylon carpet, you become positively charged. When you then touch a metal handle you receive a shock because because electrons jump from the handle to your hand. This is an example of

• Triboelectric effect

• induction

• conduction

Multiple Choice

When you pull a cotton sweater off your skin, electrons are transferred from the ___________________ (cotton, skin) to the __________________ (cotton, skin). As a result, your body acquires a ___________ (+ , -) charge and the cotton sweater acquires a ___________ (+ , -) charge.

• skin, cotton, +, -
• cotton, skin, +, -
• skin , cotton, -, +
• cotton, skin, -, +

Multiple Choice

Based on Coulomb's Law, a larger distance means that...

• Gravitational force will increase

• Electrostatic force will increase

• Gravitational force will decrease

• Electrostatic force will decrease

Multiple Select

For question #2 both charges were positive. The arrows in this question are pointing _____(towards / away) from each other. This tells me the force is _____ (attractive / repulsive)

SELECT AN ANSWER FOR EACH BLANK

• towards

• away

• attractive

• repulsive

Multiple Choice

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

• it doubles

• it gets cut in half

• it quadruples

• it is cut by 1/4

Multiple Select

If you combine the scenarios for question 5 and 7, what would happen to the force of gravity?

(one is doubled, the other is reduced by factor of four)

Force of gravity would (increase / decrease) by a factor of _____.

• Increase

• Decrease

• 8

• 1/8

• 1/2

Fill in the Blanks

The force of repulsion between two charged particles is 1000 N. If the distance between the particles is quadrupled, what will be the force between the charged particles?

(find how much the force changes and multiply that by 1000 N)