Save guides, add subjects and pick up where you left off with your BBC account. Acceleration close accelerationThe rate of change in speed (or velocity) is measured in metres per second squared.

Motion is movement of an object from one place to another or we can say it is the process of moving, changing place or position. Motion requires force to cause that change. The time you take to travel ...

Isaac Newton's First Law of Motion states, "A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force." What, then, happens to a body ...

NCERT Class 9 Science Book Chapter 8 Motion is provided here in its latest edition. NCERT keeps on revising the contents of its textbooks to provide latest and comprehensive information to the ...

Acceleration close accelerationThe rate of change in speed (or velocity) is measured in metres per second squared. Acceleration = change of velocity ÷ time taken. is the rate of change of velocity. It ...