Question

concept of work done and different cases(positive,zero and negative work done)​

Answer 1

Answer:

ufv dhd dhe dhd jd dhd dhd hd dhd dhd dhd

Answer 2

Explanation:

positive: F and s are either in the same direction or angle btw them is less than 90

negative: angle between F and s is between 90 and 180

zero:: F and s are perpendicular