Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Get immediate and reliable solutions to your questions from a community of experienced experts on our Q&A platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Vật có khối lượng 20kg được treo bởi 2 dây AC, BC như hình vẽ.
AC=BC. Tính các lực căng dây trên AC, BC. Lấy g=10m/s
2