Advantages and disadvantages of friction Class 8 | PWpw.live
Question of Class 8-Advantages and Disadvantages of friction : Advantages and disadvantages of friction:Friction always opposes the relative motion between any two bodies in contact. Therefore extra energy has to be spent in overcoming friction. This reduces the efficiency of machine .... read more
Let’s make Physics and Chemistry easy with Physicswallah, PW Pathshala Courses for JEE, NEET | Class 6, 7, 8, 9, 10, 11, 12 | NCERT Solutions want to read more about Physics Wallah visit our website@ More
10 Easy To Make Science Projects For Class 7 Students
Looking for the coolest science projects for your grade seven child? Here are some very popular & interesting science projects you can refer to
In this blog, we will suggest 10 easy-to-make kids-friendly science projects that will help them grow their domain of science knowledge and critical thinking.
Time travel is possible, according to mathematical models and scientific theories. However, the current status of science and technology does not allow us to build a device that can travel back in time. It is believed that in the distant future, time travel might be possible through advances in technology.
Physicists are researching to find answers to a few unknown questions. One of the questions that they are researching is related to the possibility of time travel. They want to find out whether time travel is possible. If somehow possible, a time machine can be created. This is the reason they are researching and working on it. The search for the time machine is on!
List of NCERT Solutions for Class 7 All Subjects
The academic team of Physics Wallah consists of expert faculties from different CBSE schools and prepared detailed solutions to all questions given in the exercise of the NCERT textbook. The below-mentioned Links are solutions of the NCERT textbook as per the Subjects.
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Maths
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Social Science
Best Recommended Books For JEE Mains And Advanced | Physics Wallah
To crack JEE Mains and Advanced, you have to start with strong basics. You need to have a good understanding of Physics, Chemistry, and Mathematics which is essential. After this, you need to have strong fundamentals in the subjects like English, Computer Science, and Biology. Further, You need to do self-study for various competitive exams. Here we will suggest some good books for JEE Mains and Advanced as recommended by toppers
Chemistry as a subject is equipped with a lot of concepts and learning resources. While preparing for chemistry you will encounter lots of chemistry doubts which needed to be properly addressed. Chemistry is the subject of formulas, reactions, and energy. A different approach is required to have a good understanding of chemistry.
Know the detailed information about the topic, in the below link
What are Compound Pendulum Formulas and Derivations?
The mass of the bob should be concentrated at one point in a basic #pendulum, in theory, however, this is impossible to do in reality. The majority of pendulums are #compound, having an #oscillating mass dispersed across a certain area. Get to know the complete derivation and its concept