Force, Work, and Energy

Speed Battery Discharge mass(kg) Power Time(s) Acceleration

80.839

83

0.19

75

2.338

34.578

86.92

69

0.15

75

2.195

39.19

77.92

69

0.23

75

2.389

32.618

78.1

97

0.25

75

2.294

34.04

85.65

14

0.25

80

2.156

39.72

92.74

139

0.25

85

1.921

48.28

103.43

222

0.25

95

1.765

58.63

112.62

55

0.25

100

1.714

65.69

Graphed Points :

Mass Acceleration

0.19

34.578

0.15

39.19

0.23

32.618

power acceleration

75

34.04

80

39.72

85

48.28

95

58.63

100

65.69

Mass Battery discharge

0.19

83

0.15

69

0.23

100

In this lab we plugged in our Lego robot and tested how much power it would take to raise a certain amount of weight using a pre-made pulley system. We calculated the speed, mass, acceleration, time, and battery discharge in this experiment. The results above may have sources of error because of human variations in stopping the pulley at the same time.

The first graph, mass vs acceleration, shows that acceleration is slower when the mass is higher. This is because it takes more power to lift a heavier object, and by doing this the speed that it is lifted at decreases.

The second graph, battery discharge vs mass, shows how battery discharge is higher when mass is higher because it takes more power to raise a heavier object. Because of the increase in power, battery discharge increases.

One thought on “Force, Work, and Energy”

  1. It’s good that you presented your data and your charts. I’d like to see a discussion of your results in your graphs and why they make sense.
    You also should have a graph of power used vs power level for a fixed mass.

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