The force of friction between an object and the surface upon is 30 N, an object that weighs 60 N is dragged across the surface. What is the coefficient of
friction?

Answermake them get very hot and over time wear them out;

Answermuscle strength;

Question 1 answer: make sure you eat healthy foods and excercise atleast once a day.question 2 answer: sometimes bullying . bullying lowers a persons self-esteem sometimes which can make them not care for themselves to much making them feel bad about there body structer. that or they just have a bad body structer and there family/doctor said its unhealthy how they eat.