Notes
Outline
Technical Physics 1
Simple Machines
Law of Simple Machines
Work in = Work out + Friction “losses”
Mechanical Advantage
Actual Mechanical Advanatge (MA)
the ratio of output force (Fo) to input force (Fi)
Ideal Mechanical Advanatge (MI)
the ratio of input displacement (si) to output displacement (so)
Efficiency
The ratio of output work to input work
Efficiency
The ratio of output work to input work
1st class lever
2nd class lever
3rd class lever
Pulleys
Single fixed pulley
Pulleys
Single movable pulley
Inclined plane
Other simple machines
Wheel and axle
belt drive
wedge
screw jack
gears