Forces and Motion

Roy wanted to investigate what would happen if he rolled a toy car down different types of surfaces. Which of the following surfaces would the toy car experience the most friction?

• a tile floor

• a sandy beach

• a smooth wooden board

• a piece of construction paper

Tags

NGSS.MS-PS2-2

Roy wanted to investigate what would happen if he rolled a toy car down different types of surfaces. Which of the following surfaces would the toy car experience the least amount of friction?

• sandpaper

• a sandy beach

• a smooth piece of glass

• grass that has not been cut in a month

Tags

NGSS.MS-PS2-2

What force caused the wagon to stop?

• The force of gravity which is acting in the same direction as the arrow.

• The force of friction which is acting in the same direction as the arrow.

• The force of gravity which is acting in the opposite direction of the arrow.

• The force of friction which is acting in the opposite direction of the arrow.

Tags

NGSS.MS-PS2-2

Which of the following best describes the force applied to the ball, first by the pitcher then by gravity?

• The first force is friction, and the second force is a push.

• The first force is a push, and the second force is a pull.

• The first force is a pull, and the second force is friction.

• The first force is a pull, and the second force is a push.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following forces has the greatest impact on the roller coaster car?

• pull

• push

• friction

• magnetism

Tags

NGSS.MS-PS2-2

Which of the following makes it possible for water in a fountain to move up?

• Earth's gravity pulls the water up into the air.

• Earth's gravity pulls the water down into the fountain.

• The force of the motor is less than the force of gravity.

• The pushing force of the motor is greater than the force of gravity.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following objects, when placed next to the south end of the magnet, would cause the magnet to push away?

• the north end of another bar magnet

• the south end of another bar magnet

• an aluminum can

• an iron nail

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

At what point would the model rocket overcome the force of gravity?

• When the student places the model rocket on the ground before launching it into the air.

• When the model rocket falls back to the ground after being launched into the air.

• When the model rocket goes upward after being launched into the air.

• When the model rocket lands on the ground.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following best describes what is happening as the ball rolls down the hill?

• The force of gravity pulls the ball downhill.

• The force of gravity is balanced by the air acting on the ball.

• The force of friction causes the ball to roll faster down the hill.

• The force of friction is greater than the force of gravity acting on the ball.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following would happen if you tried to touch the north ends of two magnets together?

• The north poles will create friction and attract other objects.

• The north poles will neither attract nor repel each other.

• The north poles will be attracted to each other.

• The north poles will repel each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5