‘O’-Level Physics 5059 Compulsory Definitions List V1 Term / Phrase Definition C1: Physical Quantities‚ Units and Measurement Scalar quantities Scalar quantities are physical quantities that have magnitude only. Vector quantities Vector quantities are physical quantities that have both magnitude and direction. C2: Kinematics Speed Speed is the rate of change of distance travelled. Velocity Velocity is the rate of change of displacement. Uniform acceleration Uniform acceleration is a constant rate
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Seatbelts Laws Are Beneficial- Disagree The article that is being critique is called “Primary Seat belt Enforcement Laws Are Beneficial.” The author of this article is Kathyrn O’Leary Higgins. She explains on the reasoning behind why seatbelt laws are very beneficial to wear. Her main reasoning of this article is to explain and commend you for considering this measure that will so easily save many motor vehicle occupants from crash-related deaths and injuries. She strongly believes that people
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Why you should were your seatbelt It was a normal Sunday in October. I was sitting around watching football with my dad. The late games were almost over when my friend Tyler called me. He called and asked if I wanted to go to Buffalo Wild Wings before the season premiere of The Walking Dead‚ I accepted. Any night out with Tyler is going to have some unexpected things but little did I know I was going to get some life advice from this particular occasion: wearing your seatbelt may be a small inconvenience
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When driving a short distance from home or down the block‚ it doesn’t seem worth the bother to use a seatbelt. You’re driving in your neighborhood‚ you aren’t going very far‚ and you’re driving less than 30 mph. That is‚ the area is practically your backyard and must be safe. And you’re driving so slow‚ that in the unlikely event of an accident‚ it’ll be little more than a fender bender. What’s the harm in that? If there is absolutely no other traffic on the route taken‚ the driving conditions are
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Physics can simply be defined as the science that studies the mechanics of matter‚ motion‚ energy‚ and force. Dance in my opinion is a type of performance categorized as a form of art that involves the mind‚ body‚ soul‚ and a little something called physics. Dancing is a personal favorite hobby of mine‚ but I’ve never really considered the physics side of dancing which seems odd considering all the different movements and techniques that involve many principles of physics such as rotational inertia
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For Lab 1‚ my partner and I will be demonstrating the law in which connects the period of the pendulum‚ expressed as T‚ to the length of the string‚ expressed a L. The system the lab will be based on will include a pendulum with a weight of W suspended at a fixed point by the string with a variable length of L and an angle theta to be measured using a protractor. The variable T will be measured as the period of time needed for the weight of the pendulum to swing back and forth once. For part 1 of
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BUOYANCY PHYSICS Student: Instructor: Criteria : Design Introduction The purpose of this experiment to find the effect of temperature on buoyancy . Backround Information Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid. The symbol for the magnitude of buoyancy is B or FB As a vector it must be stated with both magnitude and direction. Buoyancy acts upward for the kind of situations encountered in everyday experience
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Energy Energy can neither be created or destroyed‚ only changed into different forms. Energy is only useful when it can be converted into different forms. Energy is often dissipated - spread out and lost. 9 types of energy: Thermal (heat) - flows from hot to cold objects Kinetic (movement) - anything that is moving has this Light - from the sun‚ light bulbs et cetera Elastically potential - when things are stretched Gravitational potential - anything that can fall Electrical - whenever
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Pendulum Raiyan Hassan SPH3U September 20‚ 2011 Introduction A pendulum is a device which consists of a mass attached to a string from a frictionless pivot which allows it to swing back and forth. In this experiment‚ the time it takes for a pendulum to go through a period is going to be measured. The time it takes for a pendulum to go through one period can depend on factors such as the length of the string‚ mass‚ or the degree in which the pendulum is released from (amplitude). In this
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Why should kids and adults have to wear seatbelts on school buses and with their parents? They have to wear them because it keeps them from getting hurt in car wrecks and if u do get in a wreck u don’t have your seatbelt on u could possibly die because your don’t have your seatbelt on also if the bus stops to fast and you don’t have your seatbelt on you could fly through the window. Although some people believe that seatbelts aren’t needed they can be very helpful. Because they keep you from flying
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