If a dog mass is 19kg and bear is 183 kg if they climb up a hill of 16 meters how much potential energy

Does this your question?

Electoral current force mechanical advantage if the wheel and axle is 2 n and the output force is 20 n

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.