Step 3: Some forces need touching; others work from a distance.
✋ Direct contact force
needs touching — a push, a pull, friction
🧲 Force at a distance
no touching needed — magnetism, gravity
Presentation page 4
Step 3: Some forces need touching; others work from a distance.
✋ Direct contact force
needs touching — a push, a pull, friction
🧲 Force at a distance
no touching needed — magnetism, gravity