Friction is also a force that, when unbalanced, can change the velocity of an object. What You Will Learn â¢ The magnitude of the force of friction can vary. â¢ Kinetic friction is a force that, when unbalanced, can change the velocity of a moving object. â¢ Static friction balances an applied force and can prevent motion.
It belongs to the group of compounds. known as methylxanthines which include. theobromine (cocoa) and theophylline (tea). Because of its excellent solubility and slow rate. of degradation, caffeine can persist in aquatic. environments (Seiler et al., 2005) and has the. potential to biomagnify through the food chain. Thus, even a small amount of dissolved caffeine. in aquatic environment can concentrate over. time.
Save. Caffeine in coffee can cause people to gain weight in a few different ways. It can have a negative effect on stress levels, which can make people want to eat more.Because caffeine can keep people awake, it has also been linked with insulin resistance, which leads to storage of fat in the body.ffects on Metabolism. A little bit of caffeine can stimulate your metabolism, which is a positive if you want to lose weight. However, because coffee (and other caffeinated drinks such as tea) is a diuretic, it encourages a loss of water weight, not fat.