Question: a ) If a force does zero work on an object as it moves some non - zero distance, what must be the angle between

a) If a force does zero work on an object as it moves some non-zero distance, what must be the angle between the foree and the trajectory or path of the object?
b) Assuming no other forees act on the object, does the speed of the object remain the same, decrease, or increase?
c) What is the shape of the trajectory?
a) If a force does zero work on an object as

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