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.
Learn how to do a squat correctly: As this video shows, a few simple moves will target and tone your rear. Follow These Five Easy Steps. Stand straight with feet hip-width apart. Stand with your feet apart, directly under your hips, and place your hands on your hips. Tighten your stomach muscles. Standing up tall, put your shoulders back, lift your chest, and pull in your abdominal muscles. Lower down, as if sitting. Bend your knees while keeping your upper body as straight as possible, as if you were lowering yourself onto a seat behind you.