Es el resultado de dividir el peso de un cuerpo entre la aceleracion de la gravedad

Since the pully is a simple machine so the mechanical advantage is a 1

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.

Hi there, the property that gives muscles the ability to contract and relax is the presence of actin and myosin.