gears and pulleys Flashcards
1
Q
How to increase speed?
A
connect two gears the first one has more teeth, this causes the second one to move quicker and with less force.
2
Q
How to increase force?
A
The second wheel has to have more teeth it turns slower then the first one but with more force.
3
Q
How to change direction?
A
Two gears lock together the second one moves in the opposite direction
4
Q
How are gears used in bikes?
A
The gears on a bike can be used to control the speed and force.
5
Q
4 types of pulleys
A
Fixed pulley
movable pulley
systems of two pulleys
Block + tackle pulley
6
Q
Fixed pulley use
A
Lifts
