Fact 1: Friction causes an object to lose energy. Fact 2: An object loses kinetic energy each time it hits a non-elastic surface. Given the two facts above, what does friction cause a mass to lose?
Possible answers: i. support; ii. Energy; iii. nutrients; iv. weight; v. contents; vi. Collagen; vii. height; viii. cartilage;
Answer:
ii.