'Kg player' diaporamas de présentation

1/12/12

1/12/12. What does it mean if the value of work is negative? Work, force, or displacement is backwards or down. A horizontal force of 300 N is applied to move a 45 kg television set across a 5.0 m level surface. What is the work done by the 300 N force on the television set? W = 1500 J.

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