A balanced lever has two weights on it, the first with mass $5 k g$ $5 kg$ and the second with mass $8 k g$ $8 kg$ . If the first weight is $12 m$ $12 m$ from the fulcrum, how far is the second weight from the fulcrum?

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A balanced lever has two weights on it, the first with mass $5 k g$ $5 kg$ and the second with mass $8 k g$ $8 kg$ . If the first weight is $12 m$ $12 m$ from the fulcrum, how far is the second weight from the fulcrum?

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Answer 1 · 2016-04-22T02:14:28

$7.5$ $7.5$ $m$ $m$

Explanation:

1st load $M_{1}$ $M_1$ = $5$ $5$ $k g$ $kg$
distance from fulcrum $a$ $a$ = $12$ $12$ $m$ $m$
2nd load $M_{2}$ $M_2$ = $8$ $8$ $k g$ $kg$
distance from fulcrum $b$ $b$ = $?$ $?$

We have,
$M_{1}$ $M_1$ x $a$ $a$ = $M_{2}$ $M_2$ x $b$ $b$
now solve for $b$ $b$

solving $b = 7.5$ $b =7.5$ $m$ $m$

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A balanced lever has two weights on it, the first with mass $5 k g$ $5 kg$ and the second with mass $8 k g$ $8 kg$ . If the first weight is $12 m$ $12 m$ from the fulcrum, how far is the second weight from the fulcrum?

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Explanation:

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A balanced lever has two weights on it, the first with mass 5 kg 5kg5 kg and the second with mass 8 kg8kg8 kg. If the first weight is 12 m12m 12 m from the fulcrum, how far is the second weight from the fulcrum?

1 Answer

Explanation:

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A balanced lever has two weights on it, the first with mass $5 k g$ $5 kg$ and the second with mass $8 k g$ $8 kg$ . If the first weight is $12 m$ $12 m$ from the fulcrum, how far is the second weight from the fulcrum?