I have this bigfoot worksheet for science. It says, "When designing an experiment, which two groups must be involved?" Can you help me?

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Awalk up the phase change graph worksheet

When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?