Which of these is not an example of work?
a. holding a heavy book
b. pushing a wheelbarrow
c. lifting weights

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

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost