Angle of Incline 30 Mass of Car mc 0.25kg Data Table 4 Determine work done against friction 0 = 450, Energy method Work Done Against friction Suspended | Distance d = h W, = mighmcgh' (up) Mass (kg) h' = d sine (meters) W, = magh' - magh (down) Car Moving Up Incline 0.585m1 0.46 Car Moving Down Incline 0.225m2 0.48 Angle of Incline 450 Mass of Car mc 0.25kg Questions: 1) What was the work done by the suspended weight when the car moved up the incline and when the car moved down the incline? (show calculations). 0 = 30 0 = 450 Car Moving Up Incline Wm, = mi g d (Joules) Car Moving Down Incline Wmz = -m2 g d (Joules) 2) What was the work done by gravity acting on the car when it moved up the incline and when it moved down the incline? (show calculations). 8 = 30 8 = 450 Car Moving Up Incline Wm = -mc g d sing (Joules) Car Moving Down Incline Wm = mc g d sine (Joules)Data Table 1 Determine work done against friction 0 = 30, Force-distance method f (Newtons) Work Done Suspended | Distance d Against friction Mass (kg) (meters) f = mig -mcg sine (up) = mcg sino - mzg W. = f d (joules) Car Moving Up Incline 0.410m1 0.33 Car Moving 0.250m2 0.49 Down Incline Angle of Incline 30 Mass of Car mc _0.25kg Data Table 2 Determine work done against friction 0 = 45, Force-distance method Suspended | Distance d f (Newtons) Work Done Against friction Mass (kg) (meters) = mig - mcg sine (up) f = mcg sino - mzg W. = f d (joules) Car Moving Up Incline 0.52m1 0.50 Car Moving Down Incline 0.235m2 0.59 Angle of Incline 45 Mass of Car mc 0.25kg Data Table 3 Determine work done against friction 0 = 30, Energy method Work Done Against friction Suspended | Distance d = h h' = d sine W, = mighmcgh' (up) Mass (kg) (meters) W, = mogh' - magh (down) Car Moving Up Incline 0.415m1 0.45 Car Moving 0.40 Down Incline 0.172m23) For the car going up the incline, what percentage of the work done by the suspended weight was lost to iction? For the car moving down the incline, what percentage of the work done by gravity was lost to friction? (show calculations). Car Moving Up incline % = :71; x 100% -- Car Moving Down Incline % = :f x 100% -- me