friction
friction
friction
The force that opposes motion when moving objects over a surface is called friction
Friction.
because with out it we all fall down
the force that opposes the motion of two touching surfaces is velocity.
friction
friction
Pretty sure that's friction you're describing.
friction
The force that opposes motion when moving objects over a surface is called friction
The force that opposes motion when moving objects over a surface is called friction
the force that opposes the motion of two touching surfaces is velocity.
"friction"
Friction.
Friction.
because with out it we all fall down