Posted by **anonymous** on Wednesday, March 2, 2011 at 8:09pm.

A while crossing a bridge that is 3.6 km long, a truck weighing 9000 N is stalls 0.6 km from the left side of the bridge

Calculate the torque about the left support due to the truck

- PHYSICS -
**bobpursley**, Wednesday, March 2, 2011 at 8:11pm
Wouldn't it depend on the weight of the bridge? OK, the bridge is massless.

about the left side: 9000*.6 is the torque due to the truck. Of course, the bridge weight matters, as does the right support holding half the bridge.

- PHYSICS -
**anonymous**, Wednesday, March 2, 2011 at 8:25pm
see that's where is confused me. It didn't give me anything for the weight of the bridge.

And I tried 9000*.6 and it's still saying i'm wrong.

This is kind of what the diagram looks like. O is the truck

F left

^

I

I ^ F right

I I

I_____O___________________I

I

I

I

V weight

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