YSI ACADEMY - Science 10 - LG 8

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Types of Energy and Conservation of Energy

Last updated 12:20 AM on 5/23/26
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7 Terms

1
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What is potential energy ?

Potential energy is stored energy.

  • This energy depends on position (위치).

  • This energy depends on condition (상태).

2
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Give 4 examples of potential energy.

  • Chemical energy

  • Nuclear energy

  • Elastic energy

  • Gravitational energy

<ul><li><p>Chemical energy</p></li><li><p>Nuclear energy</p></li><li><p>Elastic energy</p></li><li><p>Gravitational energy</p></li></ul><p></p>
3
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What is kinetic energy ?

Kinetic energy is motion (움직임) energy.

  • Movement creates energy

  • Faster objects have more kinetic energy.

  • Heavier objects have more kinetic energy.

4
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Give 5 examples of kinetic energy.

  • Mechanical energy

  • Thermal energy

  • Sound energy

  • Electrical energy

  • Light energy

<ul><li><p>Mechanical energy</p></li><li><p>Thermal energy</p></li><li><p>Sound energy</p></li><li><p>Electrical energy</p></li><li><p>Light energy</p></li></ul><p></p>
5
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What is the formula used to calculate potential energy ?

Ep = mgh

  • Ep = Energy in Joules (J)

  • m = mass in kg

  • g = gravity in m/s2

  • h = height in meters (m)

Gravity is always 9.8 m/s2

6
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What is the formula used to calculate kinetic energy ?

Ek = ½ mv2

  • Ek = Energy in Joules (J)

  • m = mass in kg

  • v = velocity in m/s

7
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