4.5.2 Work done and energy transfer
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5 Terms
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What is work done?
When energy is transferred from the object doing the work to another form
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What is the equation for work done?
Work Done = Force x Distance
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If a book is lifted 1m in the air and 2m to the right, describe the work done in the book?
Work is done against gravity when moving 1m vertically and energy is transferred from your muscles to the book, increasing its gravitational potential
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When is one joule of work done?
When a force of one newton causes a displacement of one metre
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What does work done against frictional forces do?
They cause a rise in temperature of the object
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