1)The action and reaction forces never cancel each other out because: a

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1)The action and reaction forces never cancel each other out because:
a. They have the same meaning
b. They have different modules
c. They act in opposite directions
d. They are applied to different bodies

2. Normal forces and weight do not affect work because:
a.They are perpendicular and do not cause displacement
b. They are only on the Y axis and gravity keeps them in balance
c. the cosine of those forces is 1
d. they are equal and in balance