force - levers and gears Flashcards
1
Q
what are levers
A
force multipliers
2
Q
what does a lever allow
A
allows us to lift a heavy object whilst applying a relatively small amount of force
3
Q
where are gears found
A
in cars
4
Q
what is gear a connected to
A
directly to the turning force of the engine
5
Q
what is gear b connected to
A
to the wheels
6
Q
what does this mean
A
that the gear system will transmit the Turing force from the engine to the wheels
7
Q
what does the turning effect depend on
A
the distance between the edge of the gear and its center
8
Q
how often do the gears rotate
A
gear a rotates twice every time gear a rotates once
9
Q
what does this mean
A
that the work done by the two gears is the same
