What component is included in the ignition system that requires a deliberate action for activation?

The component that requires a deliberate action for activation within the ignition system is a momentary switch for ignition. This type of switch is designed to be pressed and held only for the duration necessary to ignite the rocket motor. By requiring the user to engage the switch actively, it adds an essential layer of safety, ensuring that accidental ignition does not occur, which could happen if a continuous switch were used instead.

The momentary switch serves as a control mechanism that the user can easily manipulate, providing a pause in ignition until the operator is ready and certain to proceed, often used in conjunction with a countdown procedure. This design promotes a safer launch environment as it allows the operator to have full control over the firing of the rocket, minimizing risks associated with premature ignition.

In contrast, options like a continuous switch or a remote ignition button may not provide the same level of deliberate control, as they do not require the operator to actively decide when to initiate the ignition. A safety lock switch, while also critical for safety, primarily serves to prevent activation until the operator intentionally disengages the lock, and does not itself directly trigger ignition when engaged. Thus, the momentary switch stands out as the correct choice due to its specific function and safety features in the activation process.