An aluminum wing on a passenger jet is 35 m
long when its temperature is
22°C.
At what temperature would the wing be 6 cm (0.06 m) shorter?

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

What do you think car designers do if the damage caused by a crash test is too severe?

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)