Answer
$2000 \ lb$
Work Step by Step
By the lever formula, we have
$$
F_1d_1=F_2d_2 \Longrightarrow F_2=\frac{F_1d_1
}{d_2}=\frac{800\times9
}{3.6}=2000 \ lb
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Test - Page 290: 13
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