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FÅ A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. How much friction is present? Ff= How much does the desk weigh? Fg = How much Normal force must be present? N N

FÅ A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. How much friction is present? Ff= How much does the desk weigh? Fg = How much Normal force must be present? N N

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. **How much friction is present?** \( F_f = \) [ _____ ] N **How much does the desk weigh?** \( F_g = \) [ _____ ] N **How much Normal force must be present?** \( F_N = \) [ _____ ] N --- **Diagram Explanation:** The diagram shows a stick figure pushing a desk. The forces involved include the applied force at a downward angle, weight of the desk, and the normal force. There is no graph present, only a diagram for visual context.
Transcribed Image Text:A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. **How much friction is present?** \( F_f = \) [ _____ ] N **How much does the desk weigh?** \( F_g = \) [ _____ ] N **How much Normal force must be present?** \( F_N = \) [ _____ ] N --- **Diagram Explanation:** The diagram shows a stick figure pushing a desk. The forces involved include the applied force at a downward angle, weight of the desk, and the normal force. There is no graph present, only a diagram for visual context.
Expert Solution
Step 1

Given value---

  • mass = 27.7 kg.
  • angle = 39 degree .
  • force = 240 N.

We have to find---

  • friction force?
  • gravitational force?
  • normal force?
steps

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