What common mistakes in physics do you need to know? Check out this post so that you can avoid them before doing your homework in the subject. Finally, know where to get help today!
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This page will discuss about the common mistakes that students make when they are
solving physics problems. If you want to know some of them, you may want to read this
page and you will know how to solve or avoid it.
Common Mistakes People Make When Doing Physics Homework
To know the physics homework answers correctly, there are common mistakes you need to
know so that you can avoid them. Many students think that what they are doing is correct,
but they are not. They tend to mix the units when in fact they should not. They swap
radians and degrees, which make their answers incorrect. To know more about this, check
1. Mixing units: One of the common mistakes in solving physics problems is about
mixing units from 1 system to another system. For example, if you want to use MKS
system, then you need to convert it into MKS before you will start working with the
2. Expressing answers in wrong units: If the problem is asking answer in MKS system,
then do not give a solution in CGS units. This is one of the common mistakes that
people make when it comes to homework in physics.
3. Swapping radians and degrees: You need to remember that degrees are used in
physics, except acceleration and angular velocity. If you’re using a graphing
calculator, ensure that it is set in radians or degrees before you start solving the
4. Sines and cosines being mixed up- Many students are having a mistake of
interchanging cosines and sines. Always remember that you need to keep the
relations in your mind so that you will not interchange the two.
5. Not treating the vectors as vectors- If you add a vector, you need to use a vector
addition. You need to resolve vectors into components and not just add magnitudes
of vectors. You need to bear in mind that components are also important.
6. Neglecting the latent heat- If you have a problem on phase change like from ice to
water, then you should not forget to take the latent heat.
7. Angle mistakes- If you will solve refraction problems, ensure that you get the correct
angles. It is measures about line perpendicular or also called as normal.
8. Using the wrong rays in the ray diagrams- To avoid this, you need to remember the
rules when it comes to ray diagrams. Be sure that you know it so that you will not
make a mistake in solving the problem.
Strategies in Solving Physics Homework
Do not panic: Even though physics is a hard subject, you should not panic if you do
not know the formula or the answer. What you need to do is to analyze the question
and read it for many times. You need to take a deep breath, calm your nerves and
count up to ten.
Understand the situation: For physics HW, you need to understand the situation on
what is going on. You need to know the context first. After that, you will know how
you will formulate your answer and what formula to use.
Read the question: Many physics homework problems have crucial details that are
why you need to understand the question carefully. You should not rush answering,
especially if you have still lots of time. Be sure that you do not miss crucial details.
Organize the details: It is true that word problems are confusing that is why you
need to organize the information to understand it easily. You will know the proper
equation that you will use if you have organized details. Having an organize
information will make your brain easy to think.
Sketch the scene: In physics, drawing a picture is normal and it will help you to
understand the problem easily. Aside from getting statics help online, you can draw
in order to understand the question.
Physics helper service: It is a good idea to get a help online because it will help you a
lot. There are professionals that will help you anytime and anywhere you are. Just
tell them what you want to happen and they will be the one to do your homework.
Verify units: In physics, you need to ensure that your units have same unit
conversion with what your professor is using. If you have different units, then
convert it. You should not panic and carefully study the units and know the right
Consider your formulas: Some professors require students to memorize formulas
and some others will give them a cheat sheet. Whatever it is, you need to memorize
the formulas. If you know what formula to use in that problem, you will not have a
hard time answering it.
Solve it: By the time that you have your variables, your sketch and your formula to
use, you can start solving.
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