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.
How to: Sit on the floor with knees bent so that your right shin is positioned in front of you, your left shin behind you and your left hip dropped all of the way to the floor (a). Inhale and press your left hip forward until you feel a stretch in the front of your hip (b). Exhale and press left hip back to the floor. Thatâs one rep (c). Complete six to eight reps, working each time to increase your range of motion. Repeat on the opposite side.