What force causes an object to change shape?
quadriceps Electrical energy mechanical Heat energy friction compressional flow of electrons kinetic energy
A B C D E F G H
Folds are usually caused by compressional forces.
 compressional force causes an object to change shape
What force causes an object to change shape? (A) quadriceps (B) Electrical energy (C) mechanical (D) Heat energy (E) friction (F) compressional (G) flow of electrons (H) kinetic energy