The field of classical mechanics covers the physical laws describing the motion of bodies under the influence of a system of forces. Use Wolfram|Alpha to calculate the kinematics and dynamics of particles and objects, examine the equations governing mechanical systems and examine the effects of deforming forces.


Compute the motion of objects subject to torques and forces.

Do a Newton's second law computation:

Compute the motion of a block on an inclined plane:

Compute torque:



Compute the effects of strain, stress and other forms of deformation.

Calculate engineering strain:

Find the stress on a cylinder:

Determine the Poisson ratio value for a deformation:

Do an Euler column buckling computation:

Compute the deflection of a beam under load:


Calculate the motion of free moving objects and celestial bodies.

Compute momentum:

Find equations associated with the two-body problem:

Analyze an elastic collision in one dimension:


Mechanical Systems

Explore the equations of motion for an extensive array of mechanical systems.

Find equations associated with a mechanical system:


Step-by-Step Solutions for Physics


  • Fluid Mechanics
  • Physical Principles
  • Quantum Physics
  • Relativity
  • Statistical Physics
  • Classical Mechanics

    Calculate the Lagrangians and Hamiltonians for a physical system.

    Compute Euler–Lagrange equations:

    Compute equations of motion from a Hamiltonian: