85.4 Some topics of discussion B Noninertial reference frames are accelerated reference frames 85.4 Some topics of discussion 3. Applying Newtons second law of motion in noninertial reference frames r=+r P dr dr dr Vpo =Vpo+ve 00 apo=apo +aoo a=a+a 0 88 ω r m A τ r F r n s B O r F r F0 r ω G r Noninertial reference frames are accelerated reference frames. §5.4 Some topics of discussion §5.4 Some topics of discussion r = R+ r′ r r PO PO O O PO PO O O a a a v v v ′ ′ ′ ′ = + = + r r r r r r t r t R t r d d d d d d ′ = + r r r O O’ r r r′ r R r P 3. Applying Newton’s second law of motion in noninertial reference frames a a a0 r r r = ′ +