Answer :
Final answer:
The gap between adjacent rails and the slide's ends should be less than 1 inch for safety and functionality. Therefore the correct answer is a).
Explanation:
This ensures safety and proper functionality in physical structures, similar to the principles of maintaining correct gaps in engineering designs like rail systems to accommodate thermal expansion or in electrical systems to ensure consistent connectivity. The space between adjacent rails and between the ends of the slide and the stationary structure should be less than 1 inch.
Proper spacing is crucial in various engineering and physics applications, including those involving electrical currents and mechanical systems, to prevent accidents or malfunctions. In this scenario, the space between adjacent rollers and between the ends of the rollers and the stationary structure should be less than 2 inches to ensure proper functioning.
