mechanical engineering Flashcards
1
Q
what is pascals principle?
A
pressure applied to an enclosed fluid will be transmitted without a change in magnitude to every point of the fluid
2
Q
what are the 4 main types of pulleys?
A
1) Fixed pulley
2) Moveable pulley
3) System of 2 pulleys
4) Block and tackle pulley
3
Q
how do you increase the speed of gears?
A
connect 2 gears, first one must have more teeth
4
Q
how do you increase the force of gears?
A
the second wheel has to have more teeth, it turns slower than the first one but with more force
5
Q
how do you change the direction of gears?
A
two gears lock together, the second moves in an opposite direction to the first
