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Learning Introductory Physics with Activities

Section 8.12 Energy Analysis

In Force Analysis for a Single System, you saw a strategy for force analysis. Approaching a context from an energy perspective follows a similar structure, but the goals are often different.

Exercises Activities

1. A*R*C*S: Pulling a Box.

In Practice Calculating Work, you considered the situation of pulling a box across a flat, level floor using a rope that makes an angle to the horizontal. Assuming you know the tension in the rope, find the speed of the box after it has traveled across the room.
Tip.