Hoo Sze Yen www.physicsrox.com Physics SPM 2011 CHAPTER 3: FORCES AND PRESSURE 3.1 Pressure Units of pressure Unit Note Pa SI unit N m-2 Equivalent to Pa N cm-2 cm Hg m water atm 1 atm = atmospheric pressure at sea level bar 1 bar = 1 atm Pressure is the force which acts normal per unit area of contact. P= F A where P = pressure [Pa] F = force [N] A = area [m2] For atmospheric pressure only 3.2 Pressure in Liquids Pressure in liquids are not dependent on the size or
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are very negative. Most people assume that we need meat for survival. That were designed to eat meat which is the furthest from the truth. While writing this I researched and asked my friends reason why I should or shouldn’t go vegan. I wanted to know if veganism was something that would truly benefit me and my life. I am beyond excited for what I found and my results. The most common things I saw for why you shouldn’t go vegan were‚ Vegan diets do not provide the correct amount of nutrients your body
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Fast Food Nation For many years‚ I consumed fast food. My experiences with fast food like Carl’s j.r.‚ Burger King and Wendys for an example has leaded me to struggle with my weight my entire life. At the time being‚ I was not fully aware of the consequence of eating it just as some people in society today do not realize what kind of harm it causes your body. I use to find fast food rewarding because you did not have to prepare your food yourself on the contrary you would buy it
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Fast Food Nation Fast Food Nation‚ by Eric Schlosser‚ is a stark and unrelenting look into the fast food industry that has ingrained itself in not only American culture‚ but in culture around the world. There is almost no place on earth that the golden arches has not entered. Aside from Antarctica‚ there is a McDonalds on every continent‚ and the number of countries that have fast food restaurants is growing on a daily basis. Schlosser describes in detail what happens behind the scenes‚ before
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We all fall victim to the fast food drive-thu‚ some more than others‚ eating it every day. But do people really know how bad fast food is for them? Everyone has different reasons for eating fast food‚ some because of the convenience‚ some actually crave it‚ but few people truly realize just how unhealthy this food is for them. The article “Why You Should Avoid Fast Food at All Costs” written by Richard Stossel gives very eye-opening details as to where our food comes from and how it gets to our plates
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Have you ever came out of a movie theater or finished reading a book saying to yourself that movie charter was really good or that move charter was not really necessary to the plot of the story or to the movie that you just watched. Well there’s one movie character that the Marvels made that is not necessary to the movie nor to the comic’s plot that is Captain America shouldn’t be considered a superhero. Here are the reason why Captain America shouldn’t be considered a superhero because In the text
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Fast Food Healthier than Cafeteria food? Many people think that fast food is bad for our health and that it shouldn’t be allowed in school. More healthful options should be promoted but what’s the use of healthy food in school if the kids don’t want to eat it? Nobody least of all adults LIKE eating healthy if given a choice everyone always goes for the fast food.When we eat lunch at school we get the bad end of the stick. they feed us cardboard pizza‚ meat that isn’t even meat and has been
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Cell phones are a big hazard while driving. Drivers shouldn’t be able to text and drive. Here are three good reasons why drivers shouldn’t text and drive. 1) Texting distracts the driver and can kill innocent people. 2) It can also increase death rates on the road. 3) You can go the wrong direction and get lost. The first reason why drivers shouldn’t text is because it kills innocent people. A quote I had read from SpringBoard page 137 says‚ “It can tear a hole in a family member’s heart and
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These companies spend thousands of dollars for these animals to be poisoned‚ burnt and killed. Some of the chemicals tested on the animals are cosmetics‚ cleaning products‚ drugs‚ pesticides and foods. These chemicals can cause painful eye and skin reactions‚ but the scientists won’t give the animals any pain relief. Scientists don’t give the animal’s pain relief‚ as they fear the pain relief will affect the outcome of the chemicals being tested
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Warren Eng.100 4/27/11 Fast Food Popularity Fast food is a huge growth in our country. Fast food restaurants are constantly trying to increase their popularity growth by lowering prices and getting faster food service technology. With this said there is a huge competition between fast food restaurants all around increasing there popularity. There are many key factors to the reasons why popularity of fast food keeps on growing. It is believed that price may be a contributing
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