misrachel03
26.09.2021 •
Physics
A 15.0-lb block rests on the floor. (a) What force does the floor exert on the block? (b) If a rope is tied to the
block and run vertically over a pulley, and the other end is attached to a free-hanging 10.0-lb weight, what
is the force exerted by the floor on the 15.0-lb block? (c) If we replace the 10.0-lb weight in part (b) with a
20.0-lb weight, what is the force exerted by the floor on the 15.0-lb block?
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