Q9: The van is travelling at 20 km/hr when the coupling of the trailer as A fails. If the trailer has a mass of 250 kg and coasts 45m before coming to rest, determine the constant horizontal force F created by rolling friction which causes the trailer to stop. 20 km/h
Q9: The van is travelling at 20 km/hr when the coupling of the trailer as A fails. If the trailer has a mass of 250 kg and coasts 45m before coming to rest, determine the constant horizontal force F created by rolling friction which causes the trailer to stop. 20 km/h
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Transcribed Image Text:Q9: The van is travelling at 20 km/hr when the coupling of the trailer as
A fails. If the trailer has a mass of 250 kg and coasts 45m before coming
to rest, determine the constant horizontal force F created by rolling
friction which causes the trailer to stop.
20 km/h
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