Instructional Segment 2: Noncontact Forces Influence Phenomena Flashcards

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1
Q

Electric Charge is…

A

A physical property of all matter that leads to electric and magnetic interactions

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2
Q

Most objects have a

A

neutral charge, no charge

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3
Q

Positively charged object

A

more positive (+) charges then negative (-) charges

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4
Q

Negatively charged object

A

more negative (-) charges than positive (+) charges

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5
Q

What is the law of conservation of charge?

A

Electric charges are never created or destroyed

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6
Q

What can negative charges do?

A

They can be transferred (discharged) between objects

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7
Q

Opposite charges…

A

attract

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8
Q

similar charges…

A

repel

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9
Q

What is friction?

A

a force that is created when 2 objects are rubbed together

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10
Q

What does friction do?

A

Increase the rate at which charges seperate

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11
Q

What is electric force?

A

The force of attraction or repulsion between objects due to their charges

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12
Q

Does the electric charge (+ or -) affect the strength or the electric force?

A

No

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13
Q

What are the two factors that determine the electric force of two objects??

A

The distance between the objects, and the magnitude of the charges

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14
Q

The closer the objects or stronger the magnitude…

A

The stronger the electric force

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15
Q

What is static electricity?

A

When there is a charge imbalance between objects

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16
Q

What is an electric current?

A

The continuous flow of (-) electrons from one region to another

17
Q

What is an ammeter

A

A device that measures an electric current

18
Q

What is an ampere, amp, or A?

A

The units of measurement for the amount of electric charge that passes a point in an amount of time