A child moving at constant velocity carries a 2 N ice cream cone 1 m across a level surface. Is she doing work?
a.
Yes, because the force acts perpendicular to the direction of motion
c.
Yes, because the force acts in the same direction as the motion
b.
No, because the force acts perpendicular to the direction of motion
d.
No, because the force acts in the same direction as the motion
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