# Physics

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What provides the centripetal force :
i)on the elctron orbiting the proton in a hydrogen atom
ii)satellite orbiting the planet
iii)on the child being whirled round in a chair on the end of a chain in the fairground ride ?

• Physics -

i) Coulomb electrical force between positive proton and negative electron

ii) gravitational force toward center of planet

iii) Tension in the chain

• Physics -

:D Thank Yoouu !!

• Physics -

por favor

• Physics -

lOl okk thenn :)

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