Force

A force that pulls everything to the ground is ______.

• friction

• gravity

• buoyancy

A force that opposes motion is ________.

• gravity

• buoyancy

• friction

A force that is exerted by water on matter is _______.

• water

• magnetism

• buoyancy

What is the unit of measurement for force?

• second

• kilogram

• Newton

• meter

What type of friction is present when two surfaces slide past each other?

• fluid friciton

• sliding friction

• rolling friciton

What force resists objects that falls through air or moves in water?

• sliding friction

• fluid friction

• rolling friction

What type of friction is present when an object rolls over a surface?

• rolling friction

• sliding friction

• ball friction

• wheel friction

What type of friction is present in this picture?

• rolling fiction

• fluid friction

• sliding friction

• flying friction

What type of friction is present?

• sliding friction

• rolling friction

• fluid friction

• wheel friction

What friction is present?

• fluid friction

• rolling friction

• sliding friction

• ball friction