physicshelp:)
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A rollercoaster of weight 8000N is lifted to a height of 9m while moving against a distance of 25m along the track using a force of 3000N against friction.
Calculate the work done against friction by the rollercoaster.
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JakeAntonyBrown
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Is this P1?
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The-Spartan
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What have you tried?
Consider the equation E=Fd with the equation E=mgh
Can you take it from here?
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physicshelp:)
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but isnt work done = force *distance?

where does the gravitational potential energy come in?

thanks for looking at it tho
and its p2
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