What's this?
Force
What's this?
Pull
What's this?
Push
What's this?
twist
What's this?
move
What's this?
speed
What's this?
change
What's this?
contact
What type of force is this?
Friction
What type of force is this?
Air resistance
What type of force is this?
Friction
What type of force is this?
Gravitational
What type of force is this?
Electric
What type of force is this?
Magnetic
What type of force is this?
Spring
What type of force is this?
Tension
