<p>And I’m almost positive no work is done friction. I’ve done the hoop/sphere/disk rolling down an incline without slipping so many times to remember that we never factored in work done by friction</p>
<p>And I’m almost positive no work is done friction. I’ve done the hoop/sphere/disk rolling down an incline without slipping so many times to remember that we never factored in work done by friction</p>