CBSE Class 11-science Answered
Earth is acted upon by the gravitational force of Sun and other planets. The gravitational force of sun provides the centripetal acceleration required for revolution.
The initial force is all unified force that set out the expansion of the universe and called superforce.
Newton's First Law of Motion - Part 1This video explains the concept of external force, net force and Newton's f...
Newton's Second Law of MotionThis video explains momentum and some examples indicating that a force is n...
Newton's Third Law of MotionThis video explains impulse.
Equilibrium of a BodyThis video explains body in equilibrium and resolving forces acting on a bo...
Static FrictionThis video explains friction and friction as a component of contact force p...