A machine pulls a 40 kg trunk 2.0 m up a 40 o ramp at constant velocity,

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A machine pulls a 40 kg trunk 2.0 m up a 40^o ramp at constant velocity, with the machine's force on the trunk directed parallel to the ramp. The coefficient of kinetic friction between the trunk and the ramp is 0.40. What are?

(a) The work done on the trunk by the machine's force and

(b) The increase in thermal energy of the trunk and the ramp?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 10, 2011 07:08 AM

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A machine pulls a 40 kg trunk 2.0 m up a 40 o ramp at constant velocity,

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a Resolving the gravitational force into components and applying Newton...View the full answer

Fundamentals of Physics

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