Shani poses as the statue of liberty for an art class. she holds a torch above her head with her right hand and a book against her side with her left hand. she holds the pose for ten minutes. at the end of the session, she mentions to her friend that it was a lot of work to pose and that her arms are really tired.

which describes the work shani did while she posed?

a: she did more work with her right hand than with her left because the right was held up higher.
b: she did no work while she posed because she did not move the torch or the book.
c: she did work while she posed because she was tired at the end of the session.
d: she did no work while she posed because she did not exert a force on anything.