When meshing or interlocking gears have different numbers of teeth, the gear with fewer teeth will rotate faster than the gear with more teeth. If two gears are meshed, both cannot be driven or something will break--one must be driving and one must be driven.

There are 100 units of $1,000 in Si00,000.Thus, Amanda pays 100 * $ 12 (or $ 1,200) every year in premiums, or $ 100 every month. Therefore, every six months, she payslhof SI ,200 (or six times SI00), which equals $600.

Electromotive force is the pressure of the current, so the term is another way of sayingvoltage.