Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 4 - Forces and Newton's Laws of Motion - Problems: 9

Answer

a) $F_{a}$ = 3.6 N b) $F_{b}$ = 0.4 N

Work Step by Step

$F_{net}$ = ma = 8 $\times$ 0.5 = 4 N $F_{a}$ + $F_{b}$ = 4 N $F_{net}$ = ma = 8 $\times$ 0.4 = 3.2 N $F_{a}$ - $F_{b}$ = 3.2 N $F_{a}$ - $F_{b}$ + 0.8 = $F_{a}$ + $F_{b}$ 2 $\times$ $F_{b}$= 0.8 $F_{b}$ = 0.4 N $F_{a}$ = 3.6 N
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