Physics Paper 1 Flashcards by Rosie Patterson

Q

How many watts in a mega watt?

A

1,000,000

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Q

How many microwatts in a watt?

A

1,000,000

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Q

How does lubrication reduced unwanted energy transfers?

A

Acts as a slippery surface between moving layers decreasing friction

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Q

What are the main energy resources available for use on Earth?

A

Fossil fuels
Nuclear fuel
Bio-fuel
Wind
Hydro-electricity
Geothermal
The tides
The sun
Water waves

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Q

A student touches a metal dome of a static electric generator. The dome is negatively charged. Explain why the students hair stands up on the end .

A

Electrons are transferred to the student so her hair is negatively charged and lie charges repel

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Q

M

A

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