How much work does gravity do on the driver as it falls?

0 ⤊

A 401-kg pile driver (the figure below ) is raised 11 m above ground.

2006-10-06 18:41:13 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

E = F s
F = ma
a = g

E = mgs
E = (401kg)(9.8m/s^2)(11m)

Express the result in Joules (J), kg m^2 / s^2.

2006-10-06 18:52:33 · answer #1 · answered by novangelis 7 · 0⤊ 0⤋

W = F*s
W = 401(9.8)(11) Nm

2006-10-07 01:50:19 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋