Unit Test 2.1 Quiz

Look at the distance-time graph. What is the average speed of the object during the first 5 seconds?

• 0 m/s

• 1 m/s

• 5 m/s

• 10 m/s

Tags

NGSS.MS-PS3-1

As the game of tug-of-war begins, the teams begin to tug, and the flag starts moving toward the team on the right. Which statement best describes what is occurring in relation to Newton’s First Law?

• The team on the right is applying less force to make the forces balanced.

• The team on the right is applying less force to make the forces unbalanced.

• The team on the right is applying more force to make the forces unbalanced.

• The team on the right is applying more force to make the forces balanced.

Tags

NGSS.MS-PS2-2

If both teams pull with equal force, the forces are _______ and the flag will _______.

• balanced; not move

• unbalanced; not move

• balanced; move

• unbalanced; move

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A turtle travels 1 km/hour for 10 hours. The turtle then stops to rest for 2 hours. After that, it continues to travel at 1 km/hour for 4 hours. Which point on the graph represents the turtle's position when it rested?

• A to B

• B to C

• C to D

• A to D

Tags

NGSS.MS-PS3-1

What is the total distance traveled by the turtle after 16 hours?

• 10 km

• 12 km

• 14 km

• 16 km

How long does the turtle rest during its journey?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

Which point on the graph represents the turtle's position after 14 hours?

• 13 km

• 12 km

• 10 km

• 14 km

Tags

NGSS.MS-PS3-1

What is the total time from start to finish for the turtle's journey?

• 12 hours

• 14 hours

• 16 hours

• 18 hours

What is the distance covered by the turtle before it stops to rest?

• 8 km

• 9 km

• 10 km

• 11 km

Tags

NGSS.MS-PS3-1

A plane is traveling in a straight line as it flies through the air. The plane’s engine uses force to push the plane forward in a straight line through the air. Air resistance is a force that pushes the plane in a direction opposite its path. If the force of the engine equals the force of air resistance, the plane _________. If the force of the engine is greater than the force of air resistance, the plane _____. If the force of the engine is less than the force of air resistance, the plane _______. Which words, in order of appearance, best complete the sentences?

• maintains its speed; speeds up; slows down

• speeds up; maintains its speed; slows down

• slows down; maintains its speed; speeds up

• maintains its speed; slows down; speeds up

• speeds up; slows down; maintains its speed

Tags

NGSS.MS-PS2-2