A practical approach to understanding physics:

Question

Note: This question is NOT a homework problem--it is to help me to understand basic physics though a practical approach.

If a 170g cue ball is at rest on a flat, smooth surface, how would you calculate the following?

1.  The force required to start the ball rolling? (i.e the amt of force necessary to overcome friction--use any friction coefficient that you like)
2.  The force & energy required to move the ball exactly 10cm?
3.  The total work done, energy expended, power required, & time to move the ball 10 cm?

 

Thanks in advance.

Answer 1

This is not a trivial problem a good treatment of it can be found at http://www2.hcmuaf.edu.vn/data/phamducdung/thamkhao/truyendong/ly%20thuyet-truyendong/friction-rolling/Rolling%20Motion%20Continued.htm

 

Jim