Ch 17-19, 4-9 FINAL REVIEW

On a graph, all of the following directions are normally considered to be positive EXCEPT:

• North.

• East.

• Left.

• Up.

Variables like velocity and acceleration that have both size and direction are called:

• vectors.

• dependent.

• axes.

• independent.

If an automobile travels at 30. m/s for 2 minutes, how far has the car traveled?

• 60. m

• 1,800 m

• 3,600 m

• 216,000 m

A graph can be described as:

• a. a mathematical diagram.

• b. a scientific model.

• c. a way to show relationships between variables.

• d. All of the above

Tags

NGSS.MS-PS3-1

Calculate the speed of the object from the position vs. time graph shown below.

• 0.5 m/s

• 0.75 m/s

• 2 m/s

• 3 m/s

Tags

NGSS.MS-PS3-1

Which of the following is a projectile?

• An airplane flying at 30,000 feet.

• A baseball hit by Chipper Jones.

• A soccer ball rolling across a field.

• A book sliding across a desk.

Tags

NGSS.MS-PS3-1

What is happening at point C in this speed vs. time graph?

• Positive acceleration

• Zero acceleration

• Negative acceleration

• Constant speed

Tags

NGSS.MS-PS3-1

Weight is a force that depends on mass and:

• friction.

• gravity.

• magnetism.

• energy conservation.

Tags

NGSS.MS-PS2-4

Which of the following is the largest unit of force?

• Kilogram

• Ounce

• Pound

• Newton

A force that resists the motion of an object moving across a surface is called:

• static friction.

• sliding friction.

• rolling friction.

• air friction.