Science Homework Help
Science Homework Help. Need Physics help to to solve a problem about a block at rest and the forces acting on it
A 15.0-lb block rests on the floor. (a) What force does the floor exert on the block? (b) A rope is tied to the
block and is run vertically over a pulley. The other ends is attached to a free-hanging 10.0-lb object. What
now is the force exerted by the floor on the 15.0-lb block? (c) If the 10.0-lb object in part (b) is replaced with
a 20.0-lb object, what is the force exerted by the floor on the 15.0-lb block?
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