e strength of Earth's gravity at ground level = 9.8 N kg¬1. 1 tonne = 1000 kg. ere forces are asked for, ensure that the direction is in the answer (e.g. up/down). Assume that mass is evenly distributed in the rulers, poles, planks, bridge spans mentioned in the estions. A 200 m bridge span is supported at both ends. The span has a mass of 100 tonnes. A 30 tonne bus is 50 m from one end of the span. Calculate the supporting force holding the bridge up at the end nearer the bus. Please give your answer to 2 significant figures. Value Units ?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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The strength of Earth's gravity at ground level = 9.8 N kg-1. 1 tonne = 1000 kg.
Where forces are asked for, ensure that the direction is in the answer (e.g. up/down). Assume that
the mass is evenly distributed in the rulers, poles, planks, bridge spans mentioned in the
questions.
A 200 m bridge span is supported at both ends. The span has a mass of 100 tonnes. A
30 tonne bus is 50 m from one end of the span. Calculate the supporting force holding the
bridge up at the end nearer the bus. Please give your answer to 2 significant figures.
Value
Units
Transcribed Image Text:The strength of Earth's gravity at ground level = 9.8 N kg-1. 1 tonne = 1000 kg. Where forces are asked for, ensure that the direction is in the answer (e.g. up/down). Assume that the mass is evenly distributed in the rulers, poles, planks, bridge spans mentioned in the questions. A 200 m bridge span is supported at both ends. The span has a mass of 100 tonnes. A 30 tonne bus is 50 m from one end of the span. Calculate the supporting force holding the bridge up at the end nearer the bus. Please give your answer to 2 significant figures. Value Units
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