อัปโหลดแล้ว 6 ปี ก่อนหน้านี้
Topics like Laws of Motion and Contact and Non-Contact Forces can be hard for the students to understand. The students depend on the textbooks for having a good understanding of the topics but these are not enough for them have to good preparation for the exams. The students can rely on the Extramarks app for having a good learning experience. Download the Extramarks learning app.https://www.extramarks.com/study-material/icse-class-9/physics-laws-of-motion-contact-and-non-contact-forces
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