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.
This exercise stretches the muscles at the back of the lower leg (the calf) and the Achilles tendon. Do this exercise 3 or 4 times a day, 5 days a week. To do this stretch: 1  Stand facing a wall with your hands on the wall at about eye level. 2  Put the leg you want to stretch about a step behind your other leg. 3  Keeping your back heel on the floor, bend your front knee until you feel a stretch in the back leg. 4  Hold the stretch for 15 to 30 seconds. 5  Repeat 2 to 4 times.