Friction Quiz

Friction is a force that acts in an ___________ direction of movement.

• similar

• opposite

• perpendicular

• west

A type of friction that occurs when air pushes against a moving object causing it to slow down.

• Fluid friction

• air resistance

• speed and direction

• gravity

What type of friction is not moving?

• static

• dynamic

• fluid

• rolling

Which would be a way of increasing friction?

• making the surfaces smoother

• using lubricants such as waxes, oils, or grease

• changing from sliding friction to rolling friction using ball bearings

• Using kitty litter or sand on snow and ice to help your car gain traction

A hockey puck slides on ice at a constant speed and direction. What is the net force acting on the puck?

• Zero

• Equal to its weight

• Greater than zero

• Depends on the speed of the puck

Jose and Marco want to move a bookshelf full of books. What force to they have to overcome?

• Force of Gravity

• Force of maximum friction

• force of the ground pushing upward only

Which of the following factors do NOT affect the amount of friction on Earth?

• Weight

• The texture of the surfaces

• gravity