Campare surface area and preasure between bicycle and tractor?

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Physics, 22.06.2019 12:10, lks715
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Physics, 23.06.2019 08:40, ctyrector
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Physics, 23.06.2019 10:30, insomniacnana2
Auniform bridge, 20 m long and weighing 40000 n is supported by two pillars located 3.0 m from each end. if a 19600 n car is parked 8.0 m from one end of the bridge, how much force does each pillar exert?
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Campare surface area and preasure between bicycle and tractor?...

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