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Understanding Forces and Accelerations in Different Scenarios: A Physics Exploration

This document analyzes three force-related problems based on Newton's laws of motion. The first scenario involves applying a horizontal force on a mass with friction, allowing us to calculate acceleration using a Free Body Diagram (FBD) and the F=ma equation. Next, we examine a firefighter sliding down a pole, where we determine the friction force acting on him during his descent. Lastly, we explore the dynamics of a baseball being caught by a catcher, calculating its acceleration using the exerted stopping force. Each problem adheres to fundamental physics principles.

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Understanding Forces and Accelerations in Different Scenarios: A Physics Exploration

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  1. You push with a 20. N horizontal force on a 2.0 kg mass resting on a horizontal surface against a horizontal friction force of 12 N. What is the acceleration? • FBD • F=ma equation • Answer

  2. A firefighter of mass 80. kg slides down a vertical pole with an acceleration of 4.0 m/s2. What is the friction force that acts on the firefighter? • FBD • F=ma equation • Answer

  3. Assume that a catcher in a professional baseball game exerts a force of 65.0 N to stop the ball. Ifthe baseball has a mass of .145 kg, what is its acceleration as it is being caught? • FBD • F=ma equation • Answer

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