Friction

EQ: How do forces affect motion?

Topic: Forces and Friction

Multiple Choice

What is the unit for force?

• Pound

• Newton

• Gram

• Liter

Fill in the Blanks

A force is a

on an object

Multiple Choice

What do forces do when they act in the same direction?

• shift to a different direction

• cancel

• combine

• none of the above

Multiple Choice

When two teams pull at a rope during tug-of-war and no one is moving what type of force is occurring?

• balanced

• unbalanced

• friction

• gravity

Multiple Select

What affects friction? Choose all that apply

• The weight of the object

• The surface area of the two objects touching

• The temperature of the object

• How many objects are being used

• The type of surface that the object is placed onto.

Multiple Choice

A big brown bat flies around the middle school looking for a meal to feast on, which type of friction is occurring as the bat is flying?

• sliding friction

• fluid friction

• static friction

• rolling friction

Multiple Choice

You are attempting to push a tapir from your path in the Brazilian rainforest but the tapir does not budge. What type of friction keeps the tapir in place?

• sliding

• fluid

• rolling

• static

Multiple Choice

A macaroni penguin glides through the water under your feet at the Indianapolis zoo. Which type of friction is acting on the penguin?

• static

• rolling

• fluid

• sliding

Fill in the Blanks

Look back in your notes to help with this question! What are two factors that affect gravity?