The force on an object is F=−20j. For the vector v=−5i−4j, find:
(a) The component of F parallel to v:
(b) The component of F perpendicular to v:
The work, W, done by force F through displacement v:
(a) The component of F parallel to v:
(b) The component of F perpendicular to v:
The work, W, done by force F through displacement v: