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.
1 Pull each knee up towards your chest, using your hands to hold your knee there for five seconds. 2  Repeat with other leg. 3  Butt and Back Stretch Sit on the floor with your legs straight out in from of you. 4  Take your right leg and bend it over your left leg so that your right foot is on the floor beside your left knee. Butt and Hamstring Stretch Lay flat on your back with your arms down at your sides. 2  Pull each knee up towards your chest, using your hands to hold your knee there for five seconds. 3  Repeat with other leg. 4  Butt and Back Stretch Sit on the floor with your legs straight out in from of you.