An object has a displacement from position vector

to

under a force

then work done by the force is (a) 24 J (b) 33 J (c) 83 J (d) 45 J

Work done is given by,

 

W = (64 – 8) + (36 – 9)

W = 56 + 27

We get,

W = 83 J

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