Decreases with increase in area of body

Increases with increase in area of body

Increases with increase in thickness of body

Decreases with increase in temperature difference between faces of the body

Equal to

Inversely proportional to

Directly proportional to

Independent of

9.8 m

10 m

5 m

1 m

Thermal stress

Tensile stress

Compressive stress

No stress

Watt's mechanism

Peaucellier's mechanism

Ackermann mechanism

Grasshopper mechanism