Rotasi (Gerak Rotasi)

Rotasi

Rotasi• kecepatan sudut

(angular)

• percepatan sudut (angular)

• kecepatan tangensial

• percepatan tangensial

• massa, inersia

• torsi, gaya

• percepatan sentripetal

• gaya sentripetal

• gaya semu

! =d�

dt

!r = v

↵ =d!

dt

↵r = a

Rotasi dapat dipandang sebagai gerak harmonis

Ip =NX

i=1

mir2i

Ip =

Z

V⇢(~r)~r2dV

⌧ = r ⇥ F

⌧ = |~r||~F |sin✓

A 1 500-kg car moving on a flat, horizontal road negotiates a curve, as illustrated. If the radius of the curve is 35.0 m and the coefficient of static friction between the tire and dry pavement is 0.500, find the maximum speed the car can have and still make the turn successfully.

Gaya Fiktif