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Forces and Motion/ Newton's Quiz

Authored by Rebecca Shoaff

Science

8th Grade

NGSS covered

Used 1+ times

Forces and Motion/ Newton's Quiz
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26 questions

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1.

MATH RESPONSE QUESTION

2 mins • 1 pt

Michael is riding a 4 kg bike and pushes on the pedals with a net force of 80 N. What is the approximate acceleration of the bike? Enter the correct answer in the box. Do not include units in the answer.

Mathematical Equivalence

OFF

Tags

112.20.b.6.C

2.

MATH RESPONSE QUESTION

2 mins • 1 pt

A roller coaster containing four cars is accelerating at 15 m/s2 before it comes to an abrupt stop at the end of the ride. The mass of one car is 200 kg. How much force was exerted on the roller coaster to bring it to a stop?

Enter the number with no units.

Mathematical Equivalence

OFF

Tags

112.20.b.6.C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A leaf fell from a tree branch. The path it followed is shown in the diagram. Which of these best describes why the leaf fell in crooked path instead of straight down?

Objects with irregular shapes never fall in straight lines.

Air currents and gravity applied changing and unbalanced forces to the leaf.

The upward force of the air on the leaf was greater than the downward force of gravity.

Once the leaf was in motion, it continued moving in the same direction because the forces were balanced?

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table to Student 2. If the force of friction resisting the student's push is 4 N, what is the net force acting on the board?

4 N

6 N

10 N

14 N

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a push or pull?

motion

friction

force

gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for force?

F=m/a

F=ma

neither

both

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the forces on an object are equal?

They are considered balanced

They are considered unbalanced

There is no force

Nothing happens

Tags

NGSS.3-PS2-1

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