Friction Notes

Multiple Choice

What is force?

• a push or pull

• the speeding up of an object

• the slowing down of

Multiple Choice

Force is described in...

• gravity

• speed

• time

• Newton's

​PHET: Balanced and Unbalanced forces

​Click on the following website or copy and paste.

​Things to notice:

​- When forces are balanced what happens?

• When forces are unbalanced which way does the object move?

​- Why does it move that way?

​

​https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html

Multiple Choice

What is unbalanced forces?

• when forces are equal

• when forces are unequal

• when forces are on your side

• when forces are not on your side

Multiple Choice

What is balanced forces?

• when forces are equal

• when forces are unequal

• when forces are on your side

• when forces are not on your side

Multiple Choice

Which way does an object move if acted on by unbalanced forces?

• towards the weaker force

• towards the stronger force

• no where

• doesn't move

Multiple Choice

Which type of friction moved through liquid or gas?

• fluid

• sliding

• rolling

• static

Multiple Choice

Which type of friction is on a non moving object?

• fluid

• sliding

• rolling

• static

Multiple Choice

Which type of friction is using when skating?

• fluid

• sliding

• rolling

• static

Multiple Choice

Which type of friction is using when sliding now a slide?

• fluid

• sliding

• rolling

• static

Multiple Choice

How can you determine if an object has balanced forces acting on it?

• It is moving

• It is not moving

Multiple Choice

How can you determine if an object has unbalanced forces acting on it?

• It is moving

• It is not moving