Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 7 - Kinetic Energy and Work - Questions: 8b


E={$F_{2}$,$F_{4}$} F={$F_{2}$,$F_{4}$} G and H are impossible.

Work Step by Step

Kinetic energy is a scalar quantity, so it can never be negative and the direction of travel is irrelevant when calculating kinetic energy. $F_{2}$ and $F_{4}$ are equal to each other and greater than the other two forces, so they are plot E with greater kinetic energy. $F_{2}$ and $F_{4}$ are equal and less than the other two so they are plot F.
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