Arm and leg weakness can be caused by a variety of different conditions, some of them temporary and others chronic. Excessive exercise is one cause of temporary fatigue in the major muscle groups, although this is not considered true muscle weakness.
Mass is an intrinsic property of the body and gravity is the force exerted on any body by the things that surround it. Weight, on the other hâ¦and, depends on gravity. It is equal to the product of the mass of the body and the gravitational force acting on it.
14) nuclear to mechanical and thermal. 15)Gravity is the force of attraction between two objects with mass and is dependent on the distance between these objects. 16) decreases. 17)greater when there is more mass and the objects are closer together.