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9.4 Exercise 4

Avg difficulty 2.5

A bridge is supported by two piers located 20 meters apart. Both the left and right piers provide an upward force on the bridge, labeled FL and FR respectively.

  1. If a 1000 kg car comes to rest at a point 5 meters from the left pier, how much force will the bridge provide to the left and right piers?
  2. How will FL and FR change as the car drives to the right side of the bridge?

OpenStax College Physics 2e, 9.4 Applications of Statics, Including Problem-Solving Strategies, exercise 4

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.