Forces and Fields (continued) Flashcards Preview

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Flashcards in Forces and Fields (continued) Deck (17)
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1
Q

What are the three fields

A

Gravitational, electric, magnetic

2
Q

What does the term field refer to

A

The term field refers to a mathematical concept with geometric descriptions of the strength, range, and direction associated with an object’s ability to exert force on another object

3
Q

WHat causes gravitational fields?

A

Anything with mass

4
Q

What is affected by gravitational fields

A

Anything with mass and electromagnetic radiation

5
Q

How are gravitational fields shaped

A

The direction of the force of the field is toward the center of the object causing the field

6
Q

What is a parallel-plate capacitor?

A

It is formed when two metal plates are placed close together face to face and are able to store charge

7
Q

What causes Electric fields?

A

any charged object

8
Q

What is affected by electric fields

A

Any charged object

9
Q

What are the two poles of a magnet

A

South and North

10
Q

What is one interesting thing about magnets

A

Magnetic poles alway’s come with a North and South pole and there are no monopole magnets

11
Q

What does Ampere’s law state

A

That a magnetic field is produced around a current carrying wire

12
Q

What is an electromagnet made from

A

an energy conducting wire wrapped around a magnet

13
Q

WHat is a ferrous metal

A

Any metal that has iron in it

14
Q

What does an MRI use to scan you

A

SUPER ELECTROMAGNETS

15
Q

What causes magnetic fields

A

Magnets and current carrying wires

16
Q

WHat is affected by magnetic fields

A

Magnets
Current carrying wires
Moving charged particles

17
Q

How are magnetic fields shaped

A

Field lines around magnet go from north pole to south pole