A 34.2 -kg block rests on the
oor.
(a) What force (N) does the
oor 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 5.6 kg weight, what force (N) does the
oor now exert on the
block?
(c) If the free-hanging weight is replaced with a 20 kg weight, what force (N) does the
oor exert on the block?
2 answers
We will be glad to critique your thoughts.
the following system (fig1) is in epuilibrium in the system a block of m=9 kg is attaehed the ceiling by two massless ropes are 45 of each two
2 answers