# Physics

A crane lifts a Load of 50000g very slowly through a distance of 150cm vertically, calculate the work done against gravity if g=10.mls2

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1. work=masskg*g*height
= 50*g*1.5

The gravity field (acceleration due to Earth's Mass, is not 10 N/kg anywhere on Earth, nor is PI equal 3 in case your teacher tells you to do that..

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bobpursley

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