Forces and Motion Test Final

Henry is measuring the mass of four different blocks with letters on them. Which block has the greatest mass?

Mr. Gates mops the gymnasium floor every day. When he finishes mopping, he puts up the sign that says WARNING! SLIPPERY WHEN WET!

The effect of which force is weakened when the floor is wet?

Felipe and Marsha placed four equally sized blocks made of different materials on an elevated plastic tray. Which block would experience the least amount of friction as it moved down the tray?

Which force produces a change in motion?

You are a moving object in a moving car. If the car crashes your body will still move forward. This is due to...

You are trying to find the force of a ball that is 25 kg and has an acceleration of 2m/s^2. What is the force of the object? Remember to label your answer!

(a)  

For every action, there is an equal and opposite reaction

Force is measured in...

It is harder to slow down, speed up, and/or change the direction of an object with larger mass because it has larger what?

It requires more force to pull a wagon with someone in it than an empty wagon. This demonstrates Newtons ____ Law