acceleration (do not ignore air resistance!)? What is the acceleration when the Skydiver itall 20. A 95 kg grandfather clock, initially at rest on a horizontal floor, requires a 650 N horizontal force to set it into motion. After the clock is moving, a horizontal force of 560 N keeps it moving with a constant velocity. Find Us and uk between the clock and the floor. (07.0, 06.0) lowing