Lower body strength is the ability of the body to exert a maximum force against an object external to the body in one maximum effort of the lower body muscles. Gluteals are muscles that make up the buttocks. ... Their roles are to facilitate hip extension and lift the leg to the side.
Newton’s Second Law concerns the generation of force based on an object’s mass and acceleration, as described by the equation F=ma.
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Speed is the distance traveled
time
but velocity is the change in distance
time