Question
Sat January 12, 2013 By:

calculate the work done in lifting a 300 N weight to a height of 10m with an acceleration of 0.5m/s.use g=10.

Expert Reply
Sat January 12, 2013
Force =ma
   300 = m x 0.5m/s2
   m = 3000/5 =600kg
Work done, W= mgh
                     = 600 x 10x 10
                     =60,000J
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