Jason works for a moving company. A 95 kgkg wooden crate is sitting on the wooden ramp of his truck; the ramp is angled at 11∘ A)What is the magnitude of the force, directed parallel to the ramp, that he needs to exert on the crate to get it to start moving up the ramp? F_up=________ B)What is the magnitude of the force, directed parallel to the ramp, that he needs to exert on the crate to get it to start moving down the ramp? F_down=_______

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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!