Brandi poses as Lady Justice for a skit in her government class. She holds a set of scales above her head with her right hand and a sword by her side in her left hand. She holds the pose for 10 minutes. At the end of the skit, she mentions to her friend that it was a lot of work to pose and that her arms were really tired.
Answer
A
She did no work because she did not exert any forces on objects.
B
She did more work using her right hand than her left because her right hand was higher.
C
She did no work because she did not move the scales or sword while she posed.
D
She did work the entire time she posed because she was tired at the end.