a.
Adoorknob makes it easier to twist a door latch in or out. how does a doorknob do this?
a.
by reducing the distance over which the input force is applied
b.
by decreasing the amount of input force needed to move the latch
c.
by increasing the amount of input force needed to move the latch
d.
by changing the direction of the input force
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Adoorknob makes it easier to twist a door latch in or out. how does a doorknob do this?
a.
a.
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