A machine can alter an input force<span> by changing its (1) magnitude, or (2) direction. All</span>machines<span> are subject to energy conservation in that no </span>machine can<span> output more energy (do more work) than the energy put into it.</span>
Answer:
Friction
Explanation:
Brief elaboration, Friction is a force that opposes motion. When two objects are in contact, friction is acts in a direction opposite to the motion of the object.
As the cloud shrank, its gravitational potential energy was converted to kinetic energy and then into thermal energy.
Answer:
B)a tool to drop temperatures, mercury, an electric current, and a tool to measure resistance