Mechanical energy is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object.I think it is supposed to be mechanical energy. That is where energy is present in an object because of it's movement's.R. the sum of kinetic and potential energy present at the same time. Mechanical energy is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object. I think it is supposed to be mechanical energy.
How to Do the Hip and Lower Back Stretch. 1  Begin in a forward lunge position with your right leg forward. Drop your left knee to the ground. 2  Place your right elbow on the inside of your right knee as pictured. 3  Press your right elbow gently into your right knee and twist your torso to the left.
2 - Keeping your arm in position, turn your body away from the wall. 3 - Feel the stretch in your right biceps and chest. 4 - Repeat by switching sides. Tip-Move your arm higher and lower on the wall to stretch different parts of your biceps and chest muscles. Variations-Bend your elbow and place just your forearm on the wall (fingers pointing up). Repeat the rest of the stretch as above. This focuses more on your chest.