Energy and Laws of Motion

A train traveling 60 mph slows down as it comes to a stop. This is an example of _____________

• Acceleration
• Distance
• Speed
• Velocity

Tags

NGSS.MS-PS2-2

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

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

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

• A steep line
• a line that goes up, horizontal and down
• A line that slopes

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

Which is an example of potential energy?

• A girl on a diving board
• A boy swimming
• A girl hitting a volleyball
• A boy running around the pool

Tags

NGSS.MS-PS3-2

The rocket ship uses giant gas tanks to take off into outer space. What is the progression of the 3 energy transformation?

• Electrical - Light - Mechanical
• Mechanical - Thermal - Chemical 
• Chemical - Thermal - Mechanical

Tags

NGSS.MS-PS3-5

Two trucks with different masses travel at the same speed down a hill toward a red light. What will happen when both trucks apply their brakes at the same time?

• The truck with the smaller mass will require less force to stop than the car with the larger mass.
• The truck with the small mass will take longer to stop than the car with the larger mass. 

Tags

NGSS.MS-PS2-2