Question #6426220Single Choice
Physics
Question
A 6 kg object is pushed up a frictionless ramp. The ramp has has a total length of 4 meters and an inclination angle of 30° with the horizontal. How much work is done by gravity on the object when it reaches the top? (Take g = 10 m/s2)
Options
A
240 J
B
-240 J
C
120 J
D
-120 J
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