how much work is required to lift a 6.0 kg backpack 1.5 m to put it on

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Robert · Accepted Answer

Work done = Force * Distance 
Since mass of the backpack is 6 kg, hence the total force required would to lift it would be equal ot 
its weight. 
Hence, force applied = Weight = m*g = 6*9.8 = 58.8 N 
The backpack has to be lifted 1.5 m in the direction of force. 
Thus, work done = F*d = 58.8*1.

how much work is required to lift a 6.0 kg backpack 1.5 m to put it on

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