Power = Work / Time ( i mistated the equation for work earlier); Work = Force * Distance

so....

Total mass = 4 * 65 kg = 260 kg

Force = 260 kg * 9.81m/s^2 = ~2551 N

Work = 2551N *140 m = 357140 N*m

**Power = 357140 N*m / 120 seconds**

=2976 N*m/s or ~3000 W ( 1 watt = 1 N*m/s)

=2976 N*m/s or ~3000 W ( 1 watt = 1 N*m/s)

<<edit>> i see now that -ORC-P has already answered the question...so nevermind.<<edit>>

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