1

Problem 8.2

Question

Problem 8.2
Part A
Calculate the work done by friction as a 3.9 {rm kg} box is slid along a floor from point A to point Bin the figurealong paths 1, 2, and 3. Assume that the coefficientof kinetic friction between the box and the floor is 0.23. thefigure Enter youranswers numerically separated by commas. Express your answers usingtwo significant figures.
ANSWER:
W_{1}, W_{2}, W_{3}=

Answer notdisplayed

{rm J}

Answers

Solution:

Work done by friction depends on the path taken . So it is a Non - conservative force.

W1, W2,W3 = - 1.1 x 10^1 J , - 5.0 x 10^1 J , - 7. 0 x 10^ 1 J

distance along path d2 2 +2 t-5m 69.6 Nm, o 3°し9.gt) L*)


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