A fixed, single pulley that is used to lift a block does which one of the following?
a.
doubles the force required to lift the block
b.
decreases the force required to lift the block
c.
makes the block easier to lift by changing the direction of the force needed to lift it
d.
decreases the force required and changes the direction of the force required

Question

A fixed, single pulley that is used to lift a block does which one of the following?
a.
doubles the force required to lift the block
b.
decreases the force required to lift the block
c.
makes the block easier to lift by changing the direction of the force needed to lift it
d.
decreases the force required and changes the direction of the force required

warriorz13 · Answer

@bbcream14 @jojo9999 @_Army_Strong_

anonymous · Answer

C: makes the block easier to lift by changing the direction of the force needed to lift 
im pretty much 100% sure about this one

anonymous · Answer

attachment