Answers

2016-02-23T18:45:00+05:30
work = force * displacement 
work = 450* 10
work = 4500 J 
 

i hope it helps........

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2016-02-23T18:51:57+05:30
Given :
weight lifted = 450N
distance travelled = 10m
solution :
work done =  force*displacement
                 =  450*10  
                 = 4500 J
therefore the work done = 4500 J
2 4 2