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science revision ass 1 > physics- knowledge questions > Flashcards

physics- 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

internal/ thermal

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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 return 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 when an object gives out light

A

radiation (waves)

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12
Q

what is the name for the rule “ 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 = 0.5 X m x v2

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 a 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 that links energy, power and time

A

P = E/T

23
Q

what is the unit of power

A

Watts

science revision ass 1 (6 decks)

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