Moving a fulcrum close to the load will allow a lever to Question 3 1 out of 1 points Since no machine is 100 % ecient , and no energy can be destroyed , some of the energy is transformed into Question 4 1 out of 1 points Newton stated that every mass attracts every other mass with a force that is directly proportional to the product of the two interacting masses . This is commonly known as Question 5