Category: Physics

How do you add two vectors using their components? Again, the component method of addition can be summarized this way: Using trigonometry, find the x-component and the y-component for each vector. Add up both x-components, (one from each vector), to get the x-component of the total. Add up both y-components, (one from each vector), to […]

Is there gravity in a vacuum? In a vacuum, gravity causes all objects to fall at the same rate. The mass of the object does not matter. If a person drops a hammer and a feather, air will make the feather fall more slowly. But if there were no air, they would fall at the […]

How can we make this object move? Force can make things move, change shape or change their speed. Some forces are direct and happen when two things touch (like a foot kicking a ball) or over a distance (such as a magnet or gravity). Friction is the force between two objects in contact with each […]

What can affect a compass reading? Metal that has a lot of iron in it’known as ferrous metal?can impact a compass. A large object such as a car or tower can draw the magnetized needle, making a precise reading difficult to secure. Even soil with a lot of iron in it can tweak your results. […]

¿Qué debo hacer para pasar el examen de manejo? ¿Cómo aprobar el examen teórico de conducir? Estudia lo más posible en el tiempo correspondiente. Pide consejos a familiares o amigos que lo hayan hecho antes. Asiste a tus clases responsablemente. Realiza algún examen teórico de conducir previamente a tu prueba. Verifica el tiempo que tienes […]

What is the speed and direction of an object? Speed in a given direction is called velocity. What can you deduce if your distance is negative? Technically no. Negatives are usually associated with displacement, where one direction is considered positive and the opposite is considered negative. Distance is just how far you have travelled. Does […]

Who controls the oil market? OPEC can influence world oil supplies and prices OPEC includes countries with some of the world’s largest oil reserves. As of the end of 2018, OPEC members controlled about 72% of total world proved oil reserves, and in 2018, they accounted for 41% of total world crude oil production. Who […]

What do NS stand for? Acronym Definition NS Nintendo Switch NS Not Sure (survey response) NS Natural Selection NS National Security What does NS mean in dating? Old Style (O.S.) and New Style (N.S.) indicate a dating system from before and after a calendar change, respectively. Usually this is the change from the Julian calendar […]

Does a business need home page? “Do I need a website for my business?” Well, the answer is YES. You do need a website for your business, A GOOD ONE. A professionally designed, lead magnet, sales booster, brand-differentiating website. Do you consider homepage as a website’s doorstep? Your website is the virtual front door to […]

Are astrology predictions true? Is it possible that all astrology predictions come true? You might be wondering how all astrology predictions can be right. The answer is “no”. Astrologers are our fellow human beings and not Gods. Does horoscope match really matter? There is one thing that the study didn’t account for—how horoscopes might in […]