Inclined Plane & Forces Simulator

Explore forces on an inclined plane. See the free body diagram, force components, friction, and whether the block will slide or remain in equilibrium.

Ramp Parameters

30
5
0.20

Properties

Angle30°
Mass5 kg
Weight--
Normal Force--
mg sinθ--
mg cosθ--
Friction--
Net Force--
Acceleration--
Will it slide?--

The Physics Behind It

Force Equations

  • Component along ramp: F‖ = mg sinθ
  • Normal force: N = mg cosθ
  • Friction force: f = μN = μmg cosθ
  • Net acceleration: a = g(sinθ − μcosθ)
  • Slides when: tanθ > μ

Key Concepts

  • Resolving forces: weight is decomposed into components parallel and perpendicular to the surface
  • Normal force is the surface's push-back, always perpendicular to the ramp
  • Static friction prevents motion up to a maximum value μN; beyond that the block accelerates
  • The critical angle where tanθ = μ is the steepest angle for static equilibrium