Final answer:
Heavy penetration grease is designed to reduce friction between surfaces that are in contact, aiding in smooth operation and preventing wear.
Step-by-step explanation:
Heavy penetration grease will normally decrease friction. Grease serves as a lubricant, meaning it's designed to reduce the friction between surfaces in contact, which would otherwise lead to wear and tear or overheating. Lubricants such as grease are essential in many mechanical systems, from bicycle chains to industrial machinery, to ensure smooth operation and prevent direct metal-to-metal contact.