After your workout, itâs time to refuel with: 1  Fluids. Drink water, of course. 2  Carbohydrates. You burn a lot of carbohydrates â the main fuel for your muscles â when you exercise. 3  Protein. Eat things with protein to help repair and grow your muscles, including a whole grain bagel, baked potato, peanut butter sandwich, etc.
inertia - (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force. natural philosophy, physics - the science of matter and energy and their interactions; his favorite subject was physics.
That is called inertial and the first law of motion is also known as the law of inertia. Inertia is defined as the tendency of an object to remain at rest or of moving until an external force acts on it. Object having heavier mass has larger inertia. The mass of an object is a measure of its inertia.