We've looked at several analogies between straight-line motion and rotational motion, including:

Variable	Straight-line motion	Rotational motion	Connection
Displacement	x	q	q = x r
Velocity	v	w	w = v r
Acceleration	a	a	a = at r
Produces motion	F	t	t = r F sinq
Inertia	m	I	I = c mr2
Second Law	SF = ma	St = I a
Momentum	p = mv	L = Iw	L = r mv sinq
Impulse	Dp = F Dt	DL = t Dt
Kinetic Energy	K = ½ mv2	K = ½ Iw2
Work	W = F d cosq	W = t Dq cosq
Power	P = F v cosq	P = t w cosq