2.11 Mid-Unit Motion and Forces

Melany walked from her house to the park. The distance and direction of her change in position from her house is called _______________.

• Displacement

• Speed

• Motion

• Reference point

Which of the following factors affect the change in an object's motion?

• The sum of the forces on the object

• The mass of the object

• The color of the object

• The temperature of the environment

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Nick runs 2 miles south, then turns around and runs 3 miles north. What is her displacement?

• 5 miles

• 1 mile

• 2 miles south

• 1 mile north

Star was trying to explain to Ethan how to find the speed of a moving object. What equation should she have used to calculate speed?

• Speed = time/distance

• Speed = distance X time

• Speed = velocity X time

• Speed = distance/time

Tavia and Alana live across the street from each other and they walk to school together every morning. The school is about 3 blocks away. Analyze the graph and choose the statement below that is a possible interpretation of the section of the graph from point B to C?

• They waited before crossing a busy street.

• They returned home to get their mathematics book.

• They reached the top of a hill and began accelerating.

• They slowed down their walk and met up with friends.

Tags

NGSS.MS-PS3-1

Andre is learning about physics, and he wants to know how a vector quantity can be defined. Can you help him understand?

• Having magnitude only.

• Having both magnitude and direction.

• Having direction only.

• Velocity minus direction.

Brookelyn and her family travel from Gaffney, South Carolina to Orlando, Florida. When Brookelyn divides the total distance they traveled by the total time they were traveling, she is calculating their _______.

• Instantaneous speed

• Constant speed

• Average speed

• Variable speed

Bryson is driving a car and wants to understand the difference between speed and velocity. What is the difference between speed and velocity?

• Speed has both a size and a direction.

• Velocity has both a size and a direction.

• Velocity and speed are the same thing.

• Velocity has a distance while speed has a position.

Gideon walks 4 m/s east. Which of the following best describes Gideon’s travel?

• Speed

• Distance

• Time

• Velocity

Tags

NGSS.MS-PS3-1

If an automobile travels at 40.0 m/s for 120.0 seconds, how far has the car traveled?

• 0.033 m

• 4.0 m

• 4800 m

• 216000 m