Force and Motion

Zach and Maggie want to see who can run faster. They decide to time each other to see who is the fastest. What tool should Zach and Maggie use to measure the time it takes them to run 45 feet?

• a ruler

• a stopwatch

• a tape measurer

• a yard stick

Which is a non-contact force?

• gravity

• push

• pull

• friction

• magnetism

Tags

NGSS.MS-PS2-5

Look at the picture. The forces on the box are

• balanced

• unbalanced

Tags

NGSS.3-PS2-1

The box is __________.

• in motion

• not in motion

Tags

NGSS.MS-PS2-2

Which force makes it hard to ride a bike in the grass?

• motion

• friction

• magnetism

• speed

How is the boy helping move the wagon?

• His push on the wagon made the forces balanced because the total force was greater than zero.

• His push on the wagon made the force balanced. This made the total force equal to 0.

• His push on the wagon made the forces unbalanced. This made the total force greater than 0.

• His push on the wagon made the forces unbalanced. This made the total force equal to zero.

Tags

NGSS.MS-PS2-2

Which statement describes the forces on the wagon in the picture?

• The forces on the wagon are BALANCED and the wagon WILL move.

• The forces on the wagon are UNBALANCED and the wagon WILL move.

• The forces on the wagon are BALANCED and the wagon WILL NOT move.

• The forces on the wagon are UNBALANCED and the wagon WILL NOT move.

Tags

NGSS.MS-PS2-2

Which word means a push or pull that can change how something is moving?

• friction

• motion

• force

• direction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Name the word that means a force that slows down or stops a moving thing when it rubs against something.

• friction

• motion

• direction

• force

Tags

NGSS.3-PS2-1

Which word is the force that pulls objects towards Earth's ground.

• friction

• motion

• direction

• gravity

Tags

NGSS.5-PS2-1