Energy, Force and Motion

Looking at the roller coaster, were does the cart have the most potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

When a car suddenly stops at a red light, a pizza lying in the passengers seat flies in to the windshield. Why does the pizza fly forward?

• The pizza loses its backward force

• The pizza's inertia causes it to continue moving. 

• The friction of braking transfers energy to the pizza. 

Tags

NGSS.MS-PS2-2

What is the net force shown in the diagram?

• 50N right

• 950N

• 50N left

• 150N left

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which word describes a push or pull on an object?

• Position

• Hypothesis

• Mass

• Force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Match the following

• how fast an object is moving and the direction

• Speed

• how fast an object is moving

• Kinetic energy

• Stored energy

• Potential Energy

• energy of an object in motion

• Velocity

Tags

NGSS.MS-PS3-1

A boy applies a pushing force on a ball thrown into the air. What applies a pulling force on the ball at the same time?

• Gravity

• The height of the boy

• Friction

• The mass of the ball

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS2-4

A fan is turned off in the living room. The fan slows down and comes to a rest as the forces become _______

• Frictional

• Balanced

• Unbalanced 

• Restricted

Tags

NGSS.MS-PS2-2

Newton's third law states for every action their is an equal or opposite reaction. Which is the best example

• The air rushing out of a balloon, causing it to move across the room. 

• Flying forward in you seat when the brakes a slammed on.

• A weight lifter dropping the bar.

• A softball flying on the air

Tags

NGSS.MS-PS2-1

On a distance-time graph, what does not show constant speed?

• steep line

• a line that goes up, horizontal and down

• line that slopes

Tags

NGSS.MS-PS3-1

On a distance-time graph, what shows an object going back to where it started?

• If the distance goes back to 0

• If line goes straight up

• If the line is at rest