the torque τ of a force about an axis as given by τ = Fr sin θ
that bodies in rotational equilibrium have a resultant torque of zero
that an unbalanced torque applied to an extended, rigid body will cause angular acceleration
that the rotation of a body can be described in terms of angular displacement, angular velocity and angular acceleration
that equations of motion for uniform angular acceleration can be used to predict the body’s angular position θ, angular displacement Δθ, angular speed ω and angular acceleration α
that the moment of inertia I depends on the distribution of mass of an extended body about an axis of rotation
the moment of inertia for a system of point masses
Newton’s second law for rotation as given by τ = Iα where τ is the average torque
that an extended body rotating with an angular speed has an angular momentum L as given by L = Iω
that angular momentum remains constant unless the body is acted upon by a resultant torque
that the action of a resultant torque constitutes an angular impulse ΔL as given by ΔL = τΔt = Δ(Iω)
the kinetic energy of rotational motion