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The weight of a box is 90 Newtons. The box is pulled upward 6.0 m along...

The weight of a box is 90 Newtons. The box is pulled upward 6.0 m along the surface of a ramp that rises at 15° above the horizontal. How much work does gravity do on the box during this process? A)-100J, B)-110J, C) -140J, D) -180J, E)120J

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