3) When being pushed up a ramp, the motion is 35° up (sky-wards) from due West. If gravity pulls on the sliding object with 48N, how much word does gravity do as an outside force when the object slides 3.9m up the ramp? W FAr. t:

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!