mechanical systems and control Flashcards
1
Q
what is a mechanism
A
a system of parts working together
2
Q
what is a fulcrum
A
a fixed support that a lever moves around , sometimes called a pivot
3
Q
what is mechanical advantage (MA )
A
the ability of a mechanism t make work easier because of the force to do work has been increased
4
Q
what is the effort
A
the use of energy to do something
5
Q
what is the load
A
something that needs to be carried or moved
6
Q
what is a lever
A
a lever is a simple mechanism consisting of rigid bar that turns around a fixed support called a fulcrum
7
Q
name 3 examples of a mechanical advantage
A
screwdriver , nutcracker and a pair of scissors
