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Physics > Energy Knowledge Questions > Flashcards

Energy Knowledge Questions Flashcards

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1
Q

What is the scientific name for movement energy?

A

Kinetic

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2
Q

What Is the scientific name for heat energy?

A

Thermal/internal

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3
Q

What is the name of energy stored in fuel?

A

Chemical

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4
Q

What is the name of energy stored in objects that can be stretched and returned to their original shape

A

Elastic potential energy

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5
Q

What is the name of energy stored between a north pole and a South Pole?

A

Magnetic energy

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6
Q

What is the name of energy stored in an object above ground level?

A

Gravitational potential energy

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7
Q

What is the name of energy stored between a positively charged object and a negatively charged object?

A

Electrostatic energy

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8
Q

What is the name of energy released from a nucleus of an atom?

A

Nuclear energy

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9
Q

What is the name of energy transfer which happens in wires?

A

Electrical

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10
Q

What is the name of the type of energy transfer which happens when an object is pushed?

A

Mechanical

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11
Q

What is the name of energy transfer which happens when an object gives out light?

A

Radiation (waves)

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12
Q

What is the name for the law “energy cannot be created or destroyed, only transferred”?

A

Law of conservation of energy

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13
Q

Write the equation which links distance, force and work done

A

Work = force x distance

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14
Q

What is the unit of work done?

A

Joules

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15
Q

Write the equation which links gravitational potential energy, gravitational field strength, mass and height

A

E=mgh

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16
Q

What is the unit of gravitational potential energy?

A

joules

17
Q

Write the equation which links kinetic energy, mass and velocity

A

E=1/2 mv^2

18
Q

What is the unit for kinetic energy?

A

Joules

19
Q

The name for heat energy going into the surroundings is

A

Dissipation

20
Q

what is lubricant used to reduce?

A

Reduce friction

21
Q

The measure of how good a device is at transferring energy usefully is called

A

Efficiency

22
Q

Write the equation which links energy, power and time

A

P=E/t

23
Q

What is the unit of power?

A

Watt(s) W

Physics (2 decks)

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