How to answer physics questions like an expert

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An expert approach to solving physics problems is entirely different from that of a novice. There is a saying that goes, 'when you immediately see how to solve a question, think twice'. This is a phrase that differentiates a novice and an expert in solving physics problems. When a novice sees a physics question, he immediately searches for an applicable equation on the question which will match with the given question, or he will try to solve that question using the same method that he used to find a similar question that he has done before. Although there are many different novice strategies that they use in solving a physics questions especially in an introductory class, these strategies are not universal in the sense that they will not be applicable in every physics question that you will encounter.

For the experts, they use the strategy of application of physics concepts when solving any physics problem. These help them to apply combined multiple separate physics concepts to every new and unique question. Experts can effectively solve these physics questions by the use of several "rules of thumbs" or what we term as heuristics. These heuristics are based on their past experiences of solving many different physics questions. Hence, the primary purpose of this short article is to impart these heuristics to you which significantly help you to solve every physics question without requiring any accumulated prior years of experience.

Steps in the expert's approach

In case you have never found a solution or a way on how to start or where to start, then this is how you ought to start. Below are general steps that are quite enough to apply in any physics question. These steps will also help you to organise your approach whenever you find the need to obtain an answer to any physics question. Also, it is crucial to note that the order of these steps is purposeful. Therefore, understanding how critical an earlier step is, you will have the firsthand to solve any physics question that comes your way.

Learn to calm down

Physics questions are just like any other problem that needs a solution. Do not panic! Taking a deep breath, closing your eyes and counting to five can do the magic. Do you remember what they say about still waters?

Focus on the problem

It is important to read through the question and understand what it is all about. For a long question, read it in parts as you understand what it needs to be done. These will help you establish a clear image of the question in mind.

Describe the physics

You will find it fun to solve any physics question when you draw them. Ideally, drawing a free body diagram can look weird, but it makes work easier. Remember, there are often awarded marks for drawing the right diagram.

Plan on the solution

You will find it cool to solve any physics question when you list down any formula that you think it might apply to the question. If you can look up for equations you don't remember exactly, then do so and put them down.

Choose the right formula

To execute the plan for your solution, you have to choose the right formula. This may be confusing at times especially when different formulas apply to the same set of variable. Therefore, it is essential to understand the conditions under which each formula applies. This way, you will not only solve any physics problem but also your understanding of the subject, in general, will be great.

Solve the question

Now, you will have to solve your problem by taking the chosen formula. Try and solve first the variables that you can quickly determine. Do not forget to underline, circle or box your answer to make your working neat.

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