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.
Hip Twists. 1  Lie flat on your back with your knees bent. 2  Keeping your back flat on the floor, slowly rotate your hips to the left, lowering your legs down to the floor until you feel a mild stretch. 3  Return to the starting position. 4  Repeat step 2 rotating your hips to the right. 5  Return to the starting position.