# Moments Question Help

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Thread starter 3 years ago
#1
1i) A 200m bridge span is supported at both ends. The span weighs 100tonnes. A 30tonne bus is 50m 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.

I'm just not sure at all.

Any help would be appreciated, Thanks
0
3 years ago
#2
(Original post by ob3)
1i) A 200m bridge span is supported at both ends. The span weighs 100tonnes. A 30tonne bus is 50m 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.

I'm just not sure at all.

Any help would be appreciated, Thanks
anti clockwise moment = clockwise moment so u get the moment at the other end of the bridge then use this value to get your required force.

let me know if I helped
0
Thread starter 3 years ago
#3
(Original post by brainmaster)
anti clockwise moment = clockwise moment so u get the moment at the other end of the bridge then use this value to get your required force.

let me know if I helped
Yeah I've got it now, cheers
0
4 months ago
#4
(Original post by ob3)
Yeah I've got it now, cheers
what did you get as answer?
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