Text Formatting ⇒ Can't figure out what is the errror here!! help me please.

[Sam]

Dear All,

Can't figure out what is the errror here!! help me please. Thanks.

Each actuator's dynamic force has a maximum loading capacity of 2.5 KN, and is defined by $F$ $=$ $B$ \cdot {$U_{a}$}, which is linearly dependent on the actuator's time varying control signal $U_{a}$(t).
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$B$ is a constant with units \emph{force/volts} to be identified experimentally.

[Frits]

\cdot is a math command, so you need to call it like:

Code: Select all

$\cdot$

Just a small note: kilonewtons are indicated as kN, not KN