# Work problem

• Nov 19th 2008, 11:17 AM
elitespart
Work problem
A cable 100ft long that weighs 4lb/ft is hanging from a windlass. How much work is done in winding it up?
• Nov 19th 2008, 11:20 AM
galactus
$W=4\int_{0}^{100}(100-x)dx$
• Nov 19th 2008, 11:21 AM
elitespart
Quote:

Originally Posted by galactus
$W=4\int_{0}^{100}(100-x)dx$

cool thanks. I was doubting my own answer.