A force vector F is applied to a 5.00kg radio-controlled model car parallel to t

Question

A force vector F is applied to a 5.00kg radio-controlled model car parallel to the x-axis as it moves along a straight track. The x-component of the force varies with the x-coordinate of the car as shown in the figure to the right. Calculate the work done by the force as the car moves from x=5.00m to x=7.00m.

The answer is W=15.0J

Please work the problem.

A force vector F is applied to a 5.00kg radio-controlled model car parallel to the x-axis as it moves along a straight track. The x-component of the force varies with the x-coordinate of the car as shown in the figure to the right. Calculate the work done by the force as the car moves from x=5.00m to x=7.00m.

Explanation / Answer

work done = area under the graph between x=5.00m to x=7.00m. = (15*2)/2=15 J

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