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A Force Has the Dependence Fx = -Ax4 on the Position

Question 15

Multiple Choice

A force has the dependence Fx = -ax4 on the position x,with the constant a = 25.0 N/m4.The work performed by this force when the position of its point of application changes from 0.75 m to 1.25 m is


A) - 17.4 J.
B) 17.4 J.
C) - 14.1 J.
D) 14.1 J.
E) 0 J.

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