need help please. a series of motion scenarios, accompanied by short description

Question

need help please.

a series of motion scenarios, accompanied by short descriptions and an arrow indicating the enario velocity. Assume that air resistance is negligible in every scenario. The only forces pres gravity, surface (or normal) indicated. one o arrows (or "zero") to indicate the direction of the net force acting on the block. A block slides down a A block in mid-air, shortly frictionless plane. after being thrown. A block in mid-air, exactly A block slides up a frictionless plane. at the peak of its trajectory. A block slides down an Zero incline slowing down due A block sliding along a flat, to friction. frictionless plane. G Previous Check Answer 0 Ne

Explanation / Answer

1) arrow no 8 (45 degrees below +x axis)   4) 1st column,2nd row(downward arrow)

2) arrow no 8 (45 degrees below +x axis)   5) 1st column,2nd row(downward arrow)

3) arrow no 8 (45 degrees below +x axis)   6) zero.

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