College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 37

A cube of ice sits on a bimetallic strip at room temperature (Fig.). What will happen if (a) the upper strip is aluminum and the lower strip is brass, and (b) the upper strip is iron and the lower strip is copper (c) If the cube is made of a hot metal rather than ice and the two strips are brass and copper, which metal should be on top to keep the cube from falling off

FIGURE Which way will the cube go See Conceptual Question.