Physics Flashcards

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1
Q

what is chemical energy store?

A

Food, fuels, batteries

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2
Q

What is magnetic energy store?

A

Energy from magnetic force

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3
Q

Thermal energy?
Gravitational potential?

A

-from heat
- anything in a gravitational field, anything that can fall

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4
Q

Kinetic?

A

Anything that moves

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5
Q

Elastic energy?

A

Anything stretched

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6
Q

Law of conservation of energy

A

Energy cannot be created or destroyed but transferred form one store to another

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7
Q

Radiation?
Conduction?

A

-travels through waves
-particles bump into each other while vibrating and the heat travels along the object

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8
Q

Convection?

A

The hotter liquid travels to the top as it has less density

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9
Q

Non renewable sources?

A

Fossil fuels, coal, oil, gas

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10
Q

Renewable sources?

A

Wind, water, solar, plants

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11
Q

Speed formula triangle?

A

D
S T

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12
Q

What is electrical current?

A

The flow of charge(electrons) in a circuit

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13
Q

Power formula triangle?

A

E
P T

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14
Q

What do u measure current with?

A

Amps: ammeter

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15
Q

What is a electro magnet and what r the components of one?

A

Magnets which you can turn on and off, as the wire is in a spiral.
Components: metal core, wire wrapped around, circuit

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16
Q

Which sides of a magnet attract and repel?

A

Opposites attract , same repel