At which point does the cart have the greatest amount of potential energy?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

At which point does the cart have the greatest amount of kinetic energy?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-1

Which of the following statements is true? 

• Balanced forces cause a change in motion. 
• Unbalanced forces cause a change in motion. 
• Forces do not effect the change in motion. 

Tags

NGSS.MS-PS2-2

During tug-of-war, one side of students were pulling with a force of 120 N and the other side was pulling with a force of 80 N. Were these forces balanced or unbalanced? 

• Balanced 
• Unbalanced 

Tags

NGSS.3-PS2-1

What is the net force on the object, and which direction will the object move?

• 18 N to the right 
• 2 N to the right 
• 18 N to the left 
• 2 N to the left 

Tags

NGSS.MS-PS2-2

In the speed vs time graph, what is happening to the object's speed?

• The object's speed is increasing. 
• The object's speed is decreasing. 
• The object's speed is the same (constant). 

Tags

NGSS.MS-PS3-1

If a car travels 80 miles in 2 hours, what is the car's speed?

• 30 mi/hr
• 40 m/s
• 45 m/s
• 40 mi/hr

Which line on the position vs time graph represents (shows) an object returning or going towards the starting place?

• A
• B
• C
• D

What is the purpose (job) of a simple machine?

• The purpose is to make work harder for us. 
• The purpose is to make work easier for us. 
• There is not a purpose (job) of simple machines. 

During our inclined plane lab, the force needed ___________ as we raised the height of the ramp. 

• increased 
• decreased 
• stayed the same

Tags

NGSS.MS-PS2-2