# How much work does it take to lift a 180 kg  weight 4/3 m ?

To lift the mass it takes $2354.4 N$.
You know the formula $L = m g \left(h 2 - h 1\right)$
At $t = 0$ $h = 0$, so $L = m g h = 180 k g \cdot 9.81 \frac{m}{s} ^ 2 \cdot \left(\frac{4}{3} m\right)$
$L = 2354.4 N$