$7.$ True or False: Dynamometers are devices used to measure the braking force in brake systems.

$8.$ True or False: Absorption dynamometers can only measure power by absorbing all the energy.

$9.$ True or False: Transmission dynamometers measure power by transferring it from the input to the output without significant loss.

$14.$ True or False: An internal expanding shoe brake works by expanding the brake shoes outward against a rotating surface.