Machines Flashcards
1
Q
What is a machine?
A
A device for doing work
2
Q
What is mechanical advantage?
A
The ratio of load to effort
3
Q
Wheel and axel
What is d1 and d2?
A
d1 is the wheel
d2 is the axel
4
Q
What is efficiency?
A
The ratio of the work output to work input
5
Q
What is a screw jack?
A
Converts rotary motion into linear motion
6
Q
What are the 2 types of pulley systems ?
A
Single and Two
7
Q
What are gears?
A
Transmit motion by engaging teeth
