Question: A particle moves along a straight path through displacement d = (8 m)i + cj while force F = (2 N)i (4N)i acts on

A particle moves along a straight path through displacement d = (8 m)i + cj while force F = (2 N)i – (4N)i acts on it. (Other forces also act on the particle.) What is the value of c if the work done by F on the particle is?

(a) Zero,

(b) Positive, and

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