Which force will slow down the bowling ball as it rolls along the bowling alley?

Tanvi and Sophia are on Flag Duty every week. Which simple machine makes it easier for them to lift the flag on the flagpole outside school?

Mrs. Balkcom likes to take her daugther to the playground. What simple machine is a slide an example of?

Look at the picture. Which simple machine is used in a seesaw?

Aaron loves to build stuff in his workshop. Which simple machine is best described as an inclined plain, wrapped around a post?

Imagine you wanted to move that heavy rock in the picture. Which simple machine could help you lift this heavy rock?

Imagine you wanted to move a heavy box across the room. Why would you want to reduce the friction that acts on the box?

How do balanced forces affect an object?

An object will not move unless a force acts on it.

When friction acts on an object, it speeds up the path and the object moves faster.

Unbalanced forces are always equal in strength or direction.

An object that is sitting still has balanced forces acting on it.

Which simple machine has a wheel and a rod?

Ms. Adeimy wants to roast marshmallows on an open fire. She tries to split some wood but is having a hard time with it. Which simple machine would you recommend to make the work easier for her?

Look at the picture. Which job would an inclined plane help you do?

A book lies on a table. What force pulls the book toward the center of the Earth?

Why is it harder for the boy in picture B to get down the hill?

Look at the picture. What do you think will happen?

What is this an example of?

What is this an example of?

What is this an example of?

What is this an example of?

How many different simple machines are there?