Force, Mass, and Motion SC.5.P.13.2 HMH

What always changes when an object is in motion?

• position

• speed

• direction

• mass

Which can NOT be changed by applying a force to an object?

• mass

• direction

• speed

• velocity

Dan plans to push several balls across a floor with the same amount of force. He will record data about distance each one traveled.

Ball A has a mass of 50 grams.

Ball B has a mass of 500 grams.

Ball C has a mass of 1 kilogram.

Ball D has a mass of 4 kilograms.

    What object do you predict will move the farthest?

• A

• B

• C

• D

A boy is pulling an empty wagon. What is likely to happen if the boy adds objects to the wagon?

• He will find that it is easier to pull the wagon.

• He will find that it is harder to pull the wagon.

• He will find that he needs less force to pull the wagon.

• He will find that he needs the same amount of force to pull the wagon.

What do you need to know to find the speed of an object?

• mass and position

• distance and time

• velocity and energy

• force and mass