Apotter's wheel—a thick stone disk of radius 0.500 m and mass 110 kg—is freely rotating at 50.0 rev/min. the potter can stop the wheel in 6.00 s by pressing a wet rag against the rim and exerting a radially inward force of 68.0 n. find the effective coefficient of kinetic friction between the wheel and rag.

universal appeal

Explanation:

Universal appeal is a technique that is used to persuade people which relies heavily on what people can identify with.

When this is used in advertisements, it simply means that the product being advertised is easily relatable to different customers irrespective of their age, gender, educational qualification, religious affiliation, etc.

In that photo, vaccines are advertised with the slogan "Shots aren't just for kids" with additional information and image of three people of different ages that have been vaccinated.