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A custodianpulls a vacuum 13.5 m with a 33.9 N force at a 55.0 degree angle, against a 14.2 N friction force. Find the total work done on the vacuum. 

 

W=Fd(cos)(theta)

W=fd(cos)(theta)

 Dec 1, 2016
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A custodianpulls a vacuum 13.5 m with a 33.9 N force at a 55.0 degree angle, against a 14.2 N friction force. Find the total work done on the vacuum. 

 

Please not so complicated.

The whole work is applied force times stretch.

 

\(W=F\times s = 33.9 N \times 13.5m=457.65 Nm\)

 

   laugh !

 Dec 2, 2016

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