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Q. 2

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 176

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Short Answer

How does a sprinter sprint? What is the forward force on a sprinter as she accelerates? Where does that force come from? Your explanation should include an interaction diagram and a free-body diagram.

The interaction diagram and free body diagram is given below.The system consist of both weight lifter and the bar bell together.

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Step by Step Solution

Step 1:Weightfilter

The preceding are the initiative couples of just a weightlifter making a stand out of a seated position with a massive hammer atop his neck.

Step 2: Interaction Diagram

Step 3: Forward Forces

barbell

weight of the lifter

normal force

Earth

force of the barbell

Step 4: Free-body diagram

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