8.2. A metal bar hangs loosely from a pivot on the ceiling. A parent pushes on the bar with a force F₁ horizontally at a distance y₁ = 0.6 m below the ceiling. Their child pushes near the bottom of the bar in the opposite direction, applying a force F₂ = 35 N at a point y₁ = 1.1 m below where their parent is pushing. (a) How hard does the parent have to push to keep the bar from moving? (b) What is the magnitude and direction of the net force on the pivot point if the mass of the bar is 1.8 kg? F2 Y1 Y2 F₁
8.2. A metal bar hangs loosely from a pivot on the ceiling. A parent pushes on the bar with a force F₁ horizontally at a distance y₁ = 0.6 m below the ceiling. Their child pushes near the bottom of the bar in the opposite direction, applying a force F₂ = 35 N at a point y₁ = 1.1 m below where their parent is pushing. (a) How hard does the parent have to push to keep the bar from moving? (b) What is the magnitude and direction of the net force on the pivot point if the mass of the bar is 1.8 kg? F2 Y1 Y2 F₁
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 55P: A diver off the high board imparts an initial rotation with his body fully extended before going...
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9781938168277
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William Moebs, Samuel J. Ling, Jeff Sanny
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OpenStax - Rice University