NCERT Solutions for Class 7 Science Chapter 8
Important NCERT Questions
7th Chapter 8 Winds, Storms and Cyclones
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 5
Explain why holes are made in hanging banners and hoardings.
Share
Air exerts pressure in all directions. If banners and hoardings do not have holes, pressure exerted by wind may tear them off or make them fall. Holes let the air pass through and reduce the air pressure on banners and hoardings.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-8/