Physics
posted by sarah .
A hiker who weighs 834N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3520N, and rests on two concrete supports at each end. He stops onefifth of the way along the bridge. What is the magnitude of the force that a concrete support exerts on the bridge at the near end?
b). What is the magnitude of the force at the far end?
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