Kinematics & Dynamics
A few examples of what you can ask Wolfram|Alpha about:
do a Newton's second law computation
compute momentum
compute impulse
compute rolling motion
find equations of particle motion
Motion on an Inclined Plane
compute motion of a block on an inclined plane
compute motion of a round object on an inclined plane
find the Hamiltonian of a system
do a gravitation calculation
find equations associated with the two-body problem
compute time to fall
compute work done against gravity
Rocket Motion
analyze motion of a rocket
analyze an elastic collision in one dimension
analyze an elastic collision in two dimensions
Circular Motion
compute torque
compute centripetal acceleration
compute the Coriolis acceleration in a rotating frame of reference