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Physics GCSE > P1: Conservation And Dissipation Of Energy > Flashcards

P1: Conservation And Dissipation Of Energy Flashcards

1
Q

What is energy?

A

Energy is the ability to do work

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2
Q

What does energy mean?

A

Energy means it allows matter to move or cause change. Energy makes things happen

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3
Q

What are the types of energy?

A
  • light
  • electic
  • sound
  • magnetic
    -kinetic
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4
Q

What are the 10 different forms of energy?

A
  • magnetic
  • kinetic
  • heat/thermal
  • light
  • sound
  • gravitational potential
  • chemical potential
  • elastic potential
  • electrical
  • nuclear
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5
Q

Define store?

A

Something (or quantity) kept fir use when needed

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6
Q

What is kinetic energy?

A

A moving object

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7
Q

What is chemical energy?

A

A fuel or battery

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8
Q

What is gravitational energy?

A

An object above ground

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9
Q

What is elastic/stain energy?

A

A stretched or squashed object

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10
Q

What is thermal energy?

A

Due to a substance temperature

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11
Q

What is magnetic energy?

A

2 seperated magnets (attract/repel)

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12
Q

What is nuclear energy?

A

Radioactive decay

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13
Q

What are the four pathways of energy being transferred?

A
  • mechanically
  • electrically
  • by heating
  • by radiation (waves)
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14
Q

What is mechanically?

A

When a force acts and something moves

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15
Q

What is electrically?

A

When a current flows

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16
Q

What is by heating?

A

Because of a temperature difference

17
Q

What is by radiation (waves)

A

A wave such as light microwaves or sound

18
Q

What is an example of an object falling?

A

When an object falls its speeds up, increasing its kinetic energy store and decreasing its gravitational potential energy store

19
Q

Define work?

A

To move an object with an applied force

20
Q

What is the equation for work done?

A

W = F x s

Work (J) = Force (N) x Distance (m)

21
Q

What is the equation for kinetic energy?

A

Ek = ½ x m x v (2)

Physics GCSE (9 decks)

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