Forces - Friction Crossword

a force that opposes motion between two surfaces that are touching
Motion Through Air
Friction is a force, measured in .........
keeps an object at rest from moving.
is a force that resists the motion of an object moving across a surface.
the greater the ----------- of the material, the greater the friction
Shoes are designed to ------------ the friction between their soles and the ground
Friction changes energy of motion into ------ --------
The pulling force carried by a rope is called
a squeezing force that can act on a spring
Force is a ------ quantity because it has both value and direction
the amount of matter in an object
the pull of gravity on an object
falling object on earth in absence of air resistance is in a state of
oils or liquids used to decrease friction