A Variable Force of the Form F=3x² + 2x

question 8

Multiple Choice

A variable force of the form F=3x² + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m.How much work is done by this force?

• A)-29 J
• B)29 J
• C)-18 J
• D)18 J
• E)17 J

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