Problem

How much work does a \( 625 \mathrm{~N} \) (about \( 140 \mathrm{lbs} \) ) person 0 if they can lift \( 50 \mathrm{~N} \) (about \( 11 \mathrm{lbs} \).) barbell \( 2 \mathrm{~m} \) in 4 ??
\( (1005) \)

Answer

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Answer

\( W = 100 \mathrm{J} \)

Steps

Step 1 :\( W = Fd \)

Step 2 :\( W = 50 \mathrm{N} \times 2 \mathrm{m} \)

Step 3 :\( W = 100 \mathrm{J} \)

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