Skip to simulation

Physics · Gravitation

Gravity Force Lab

Change each mass and drag the spheres. See how the gravitational force changes.

P Physics

F

Choose what to explore

Start with a mode

Each mode focuses on a different relationship between force and motion.

See what happens

Gravitational attraction

Force grows with mass and shrinks with the square of the distance.

Gravity

Force0 N

m

d = 0 m

m₁ = 100 kg m₂ = 400 kg

Relationship F = G·m₁·m₂ / r²

Observation Forces on both masses are equal and opposite.

Explore

Controls

Mass 1 (m₁) 100 kg

10 kg1000 kg

Mass 2 (m₂) 400 kg

10 kg1000 kg

Show in the scene

Mass values Distance Force values Scientific notation

Drag each mass along the ruler or focus it and use the arrow keys. Gravitational force grows with mass and shrinks with the square of the distance.

Fg Gravity Force Lab

Simulation menu

Simulation tools

Keyboard help

Use Tab to move between controls, then use the keys below.

TabShift + Tab

Move to the next or previous control.

EnterSpace

Press a focused button or checkbox.

←→↑↓

Move a focused mass or change a focused slider by a small step.

Page UpPage Down

Move a focused mass by a larger step.

HomeEnd

Move a focused mass to the far left or far right of the ruler.

Esc

Close a menu or dialog, or leave full screen.

Pandai Simulation

Gravity Force Lab

Version 0.5.2

Adjust two masses and the distance between them to investigate Newton's law of gravitation. The force on each mass is equal in size and opposite in direction.

Shared interface regions are locked. Replace only configured metadata and the marked topic-specific slots.

Simulation support

Report an Issue

Tell us what went wrong so the simulation can be improved.

Issue Type *

Simulation not working

Incorrect behaviour/result

UI/display problem

Difficult to use

Other

Please select an issue type.

Describe the problem *

Please describe the problem.

Screenshot (optional) Coming soon

Screenshot attachment is not available in V1.

Attached screenshot preview

One screenshot attached

Choose a simulation mode to begin.