The blame has been pinned, squarely and often, on inadequate oversight of U.S. financial institutions, which created ever more complex and risky mortgage instruments, lured people to buy homes they could not afford, and brought the economy crashing to the ground.
Motion on the Earth does not take place in a vacuum. When one thing moves, it moves through or across another. When a wheel turns on an axle, the two surfaces rub against one another. This is called dry friction. Grease can be used to separate the solid metal parts, but this just reduces the problem to layers within the grease sliding past one another.
This force is the energy developed by an object while it's in motion.In very simple terms, the law of kinetic energy means that when you double your speed, the kinetic energy of your car is four times as great! And that means the braking distance is four times as great.or instance, consider the effect of these factors: stopping distance, centrifugal force, and/or hydroplaning. An increase in any or all of these factors will decrease the amount of traction that your car will have because there is a corresponding decrease in the opportunity for friction.