- #1

scratchfish

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## Homework Statement

Upon application of the 10-N force F to the cord in Figure P5.3, the cylinder begins to roll to the right. After C has moved 5 m, how much work has been done by F?

do not have picture so let me decribe the picture: 1) cylinder with radius .5m is on the ground 2) the cord is attached on the very top of the cylinder (symmetrical to the center) and is pulled to the right at 10N force

## Homework Equations

Translational KE: 1/2mv

^{2}

Rotational KE: 1/2Iw

^{2}

## The Attempt at a Solution

I found translational KE, which is equal to Fd = (10N)(5m) = 50 joule

I don't know how to find the rotational energy of this problem.

The answer should be 100J.

Help me! I am prparing for the final