PHYS 221 Lecture Notes - Lecture 8: Dot Product
Document Summary
Energy ability to do work transfer of energy. Work transfer of energy due to the action of a work a distance w ftp. dr rescalars a force over. The work done by a object through displacement is constant force. W fdwso where the constant force the displacement of and in moving an. For an object in gravitational force is constant. Wg ig df force the earth"s gravitational field. For an objectmovingdown f and of point in the same direction. Wg o for an object moving up f and 07 point in the opposite direction wgc 0. 0h vertical height moved a spring work done by. 2h0 an equilibrium point where ret force equals to normal. The further away the spring is pulled from the equilibrium the larger the force exerted by the spring to return it. F"spring text i lm7 s l l l. Spring force always pulls mass back towards equilibrium restoring force.
