{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}


University Physics with Modern Physics with Mastering Physics (11th Edition)

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
6.2: a) “Pulling slowly” can be taken to mean that the bucket rises at constant speed, so the tension in the rope may be taken to be the bucket’s weight. In pulling a given length of rope, from Eq. (6.1), J. 6 . 264 ) m 00 . 4 )( s / m 80 . 9 ( ) kg 75
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: . 6 ( 2 = = = = mgs Fs W b) Gravity is directed opposite to the direction of the bucket’s motion, so Eq. (6.2) gives the negative of the result of part (a), or J 265-. c) The net work done on the bucket is zero....
View Full Document

{[ snackBarMessage ]}