# A 15.0-lb block rests on a horizontal floor. (a) Whatforce does the floor exert on the block? (b) A ropeis tied to the block and is run vertically over a pulley.The other end is attached to a free-hanging 10.0-lbobject. What now is the force exerted by the floor on the15.0-lb block? (c) If the 10.0-lb object in part (b) is replacedwith a 20.0-lb object, what is the force exerted by the floor onthe 15.0-lb block?

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A 15.0-lb block rests on a horizontal 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 end 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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Step 1

The force exerted by the floor on the block is

Step 2

The force exerted by the floor on the block wh...

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