Newton's Lab — Interactive Physics Playground

Gravity Controls

Star Mass 150

Planet Mass 30

Moon Mass 8

Planet Orbit Distance 160

F = ma Controls

Mass (kg) 10

Force (N) 50

Friction 0

Newton's Cradle

Pull back one or more balls and release to see conservation of momentum and energy in action.

Pull Angle 30

Balls to pull 1

Projectile Motion

Launch Speed 60

Launch Angle 45

Show Trajectory Trail

Live Physics Data

Velocity

0.0

Momentum

0.0

Kinetic Energy

0.0

Potential Energy

0.0

Net Force

0.0

Acceleration

0.0

Newton's Laws

1st Law: An object at rest stays at rest, and an object in motion stays in motion with the same speed and direction, unless acted upon by an unbalanced force.

🧠 Check Your Understanding

What happens to the acceleration if you double the mass while keeping the same force?