Question #6426209Single Choice
Physics
Question
A 5 kg object is lifted vertically upwards by a force of 100 N over a distance of 4 m. After being released, the object falls freely. What is the work done by gravity during the fall? (Take g = 10 m/s2)
Options
A
400 J
B
-400 J
C
200 J
D
-200 J
Answer & Analysis
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