Gravity increases your kinetic energy when driving uphill,reiki healing music 1,hsv 1 clinical trials 2014,homeopathic remedies herpes zoster 053.9 - Tips For You

admin 27.08.2015

All drivers are subject to the natural laws and laws of physics that affect any moving, or stationary, object.
These forces affect how your vehicle handles, regardless of how well your vehicle is designed or how skilled you are at handling it.
Understanding these forces will help you control your vehicle during turns, stops, and everyday driving conditions. The laws of nature and physics are present at all times and must be kept in mind while operating a vehicle. Traction is the result of friction between the road and your tires caused by the weight (gravity effect) of the car pushing the tires to the road due to gravity. When you are driving uphill, the force of gravity is working against you to slow you down and you may need to accelerate or change to a lower gear to maintain your speed.
When you leave a vehicle parked on an incline, gravity works to pull your vehicle downhill.
To keep your vehicle from rolling away, you should leave your vehicle in a low gear or in "Park" if it has an automatic transmission. Just in case your parking brake fails, you should always turn the front wheels of your vehicle so that it will not roll into the traffic lane. If you are parking facing downhill, you should always turn your front wheels towards the curb or side of the road. If you are parking facing uphill and there is a curb, you should turn your front wheels towards the middle of the road and allow the vehicle to roll back against the curb. The Law of Inertia (an object in motion, remains in motion, in a straight line, at a constant speed, until acted upon by an unbalanced force), is what keeps a car going straight down the highway, with minimal steering effort.
The Law of Gravitation (one object attracts another, via a straight line, drawn between the objects' center. Physics is important to the wise driver, because it explains the limits of a vehicle's capabilities, safety, and operation.
An object in motion, will tend to remain in motion, in a straight line and at a constant speed, unless it is acted upon by an outside force.
Objects that are moving tend to continue moving, in a straight line and at a constant speed, while objects that are not moving tend to remain at rest, unless acted upon by some other force. For example, vessels in space can move really far without much spent energy because there is very little air acting to slow them down. While driving, momentum keeps your vehicle moving, unless it is acted upon by something, such as your brakes, the road surface, a fixed object (such as a tree), or another vehicle. Inertia causes your body and loose objects in your car to keep moving forward when your vehicle stops suddenly. You may be injured because of the inertia and momentum of loose objects in your car that fly through the air during a sudden stop.
When you are hit from behind while stopped, your head tends to stay in place due to inertia while the seat pushes the rest of your body forward.
This video explains how seat belts and head rests provide a counter-acting force to inertia.
This video was recorded from inside of the vehicle, and shows a driver falling asleep at the wheel.
In the right example, the belt is twisted, producing a much smaller contact area withe the breast bone.
Click on pictures to see full-size image What are the wrong ways to wear a seat belt?
In this picture, the belt is snug, positioned properly, and can diffuse the forces all along its length, equally. Disc brakes, as shown in the image to the right, have a good ability to dissipate the heat quickly (the RED areas), so that more heat can be used to bring the car to a complete stop.


Gravity decreases your kinetic energy when you are driving uphill and increases it when you are driving downhill. Braking to a stop converts kinetic energy into heat energy in your brakes through friction. Click on pictures to see full-size image What is proper tire inflation? The kinetic energy of your vehicle cannot be converted into friction in your brakes (heat energy) if your brakes are locked as they are in a locked-wheel skid. Because friction is increased by the weight of your vehicle, a fully-loaded truck has more stopping power than does an empty one because it is heavier. Centrifugal force is the tendency for objects to be pulled outward when rotating around a center. Since it takes about one second to recognize a danger and then react to it, add the distance you travel in one second to the stopping distance to find the total distance, in feet, it will take you to stop. Any increase in the velocity (speed) of the vehicle will increase the KE by the square of the change in speed. This is the amount of traction provided by the "footprint" of the four tires in contact with the road.
According to the formula for stopping distance, how many feet will it take you to stop, from 60 mph? Knowing how they affect driving your vehicle may also help you react appropriately to an emergency situation or avoid a collision. If you try to break them, you will end up losing control of your vehicle and perhaps cause an accident that could have been prevented.
You may lose traction on wet pavement and be unable to stop or be traveling too fast to stop quickly in heavy traffic and cause an accident. Gravity also affects your speed of travel when going uphill and downhill because of the change in gravitational pull as you move towards, or away from, the center of the earth.
You should always engage your parking brake and you may even need to block your wheels by placing an object in front or behind of the tires.
The way you should turn your wheels depends on whether you are parked facing uphill or downhill and whether or not there is a curb. If you are parking facing uphill and this is not a curb, you should turn your wheels toward the side of the road. The larger the mass the stronger the attraction) is why cars slow down on a hill (moving away from the center of the earth) and why roads are "banked" in curves, to keep the car on the roadway. When you are waiting for a green signal on flat pavement at an intersection, you will not move unless you engage the engine or are otherwise pushed. This will allow the body to move forward, at the speed of the vehicle, and then suddenly being stopped by the belt snapping against the breast bone. The forces will be focused on this area and, much like a hammer, exerts a large force on a small area (like the difference between a slap and a punch). While there may be some bruising, the body is forced to stop almost instantaneously, instead of hitting the windshield or dashboard. For example, a book on a table has the "potential" energy to fall to the floor, whereas a book that is already on the floor has the potential energy to "fall" towards the center of the earth.When you are parked on a hill, gravity causes your car to have potential energy. For example, the potential energy had by a book on a table is converted to kinetic energy (motion) when it falls.
If the vehicle stops suddenly, your kinetic energy will keep you moving forward, as shown in the top of the video. If you and your vehicle are involved in a collision, the kinetic energy is still converted into heat through friction, but not in your brakes (ouch!). Skidding while braking is caused by the friction of your brakes being stronger than the friction force between your tires and the road, which causes you to lose traction.


The weight aides in stopping the vehicle by producing more friction between the tires and the road surface.But this is true only if we disregard momentum. To stop a moving vehicle, you must dissipate (get rid of) the kinetic energy through the friction of the brakes or by hitting another object (called the Force of Impact). You may need to shift to a lower gear or smoothly apply your brakes to slow to a safe speed and control your vehicle. This energy is converted to kinetic energy (motion) if it breaks loose and rolls down the hill.
For example, a brick traveling at 10 MPH has more momentum (force) than a chunk of Styrofoam traveling at the same speed. For example, it is easier to move your hand over fine sandpaper than over rough sandpaper because there is less friction caused by the surface of the fine sandpaper. Since there is more inertia in the moving vehicle, and less friction available during lock-up braking, the vehicle will continue to skid, in a straight line, even if the steering wheels are turned. Because of the greater momentum of the loaded truck, it will actually have less stopping power.
To avoid this:do not ride your brakesdo not drive with your clutch partially engaged (depressed)use your lower gears to slow the vehicle on downhill grades (downshift)Friction can also cause wear, and possible destruction, of other parts of your vehicle, such as bearings and internal engine parts. It is actually the inertia of an object, tending to go in a straight line, as shown in the upper left picture.In a turn, your car is subject to centrifugal force which is pulling your car away from the direction you want to turn and into a straight line. If both vehicles are moving at 40 mph, the FOI would be the same as driving into a brick wall at 80mph!2. To steer the car, you must overcome the kinetic energy of the vehicle (it wants to keep going in a straight line) in order to change direction. You may answer the questions as many times as necessary to get them right.You should review the lesson material if you don't do well on the quiz.
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There is also potential energy built up in the components of your car's suspension system that may cause you to swerve when you come out of a turn.
Energy cannot be created nor destroyed…it can only be converted into another form of energy.When you are driving, both you and your vehicle have acquired momentum which is proportional to the weight of your vehicle and its speed. To lower the friction on these parts, manufacturers use a lubrication system to provide a thin film of oil or grease between the moving parts. In addition, all four wheels are pointed in slightly different directions, causing a " controlled skid " throughout the turn. Impact Force is HighA T-Bone, or side-impact, collision is the next deadliest when it comes to FOI. Since the vehicles are moving in different directions, some of the FOI is dissipated in forward motion.3.
Too much speed, or too much braking can cause a loss of the necessary traction.Have you ever ridden a bicycle or motorcycle into a turn or curve? Impact Force is MediumA "sideswipe" collision reduces the FOI, and is a goal for any driver faced with a "Gonna hit!" situation. You must tilt your bike and lean to the inside of the turn in order to accomplish the same thing, because you only have two wheels, thus less friction (traction). Impact Force is SmallA rear-end collision produces a much smaller amount of FOI, since the impact is transferred to the car in front, which then also moves forward.




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